2021669325

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 4178013840

約数和(自身を除く): 2156344515

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 109, 117, 153, 195, 221, 225, 255, 325, 327, 373, 425, 545, 585, 663, 765, 975, 981, 1105, 1119, 1275, 1417, 1635, 1853, 1865, 1989, 2725, 2925, 3315, 3357, 3825, 4251, 4849, 4905, 5525, 5559, 5595, 6341, 7085, 8175, 9265, 9325, 9945, 12753, 14547, 16575, 16677, 16785, 19023, 21255, 24089, 24245, 24525, 27795, 27975, 31705, 35425, 40657, 43641, 46325, 49725, 57069, 63765, 72267, 72735, 82433, 83385, 83925, 95115, 106275, 120445, 121225, 121971, 138975, 158525, 203285, 216801, 218205, 247299, 285345, 318825, 361335, 363675, 365913, 412165, 416925, 475575, 528541, 602225, 609855, 691169, 741897, 1016425, 1084005, 1091025, 1236495, 1426725, 1585623, 1806675, 1829565, 2060825, 2073507, 2642705, 3049275, 3455845, 3709485, 4756869, 5420025, 6182475, 6220521, 7928115, 8985197, 9147825, 10367535, 13213525, 17279225, 18547425, 23784345, 26955591, 31102605, 39640575, 44925985, 51837675, 80866773, 118921725, 134777955, 155513025, 224629925, 404333865, 673889775, 2021669325]

約数ペア:

[(1, 2021669325), (3, 673889775), (5, 404333865), (9, 224629925), (13, 155513025), (15, 134777955), (17, 118921725), (25, 80866773), (39, 51837675), (45, 44925985), (51, 39640575), (65, 31102605), (75, 26955591), (85, 23784345), (109, 18547425), (117, 17279225), (153, 13213525), (195, 10367535), (221, 9147825), (225, 8985197), (255, 7928115), (325, 6220521), (327, 6182475), (373, 5420025), (425, 4756869), (545, 3709485), (585, 3455845), (663, 3049275), (765, 2642705), (975, 2073507), (981, 2060825), (1105, 1829565), (1119, 1806675), (1275, 1585623), (1417, 1426725), (1635, 1236495), (1853, 1091025), (1865, 1084005), (1989, 1016425), (2725, 741897), (2925, 691169), (3315, 609855), (3357, 602225), (3825, 528541), (4251, 475575), (4849, 416925), (4905, 412165), (5525, 365913), (5559, 363675), (5595, 361335), (6341, 318825), (7085, 285345), (8175, 247299), (9265, 218205), (9325, 216801), (9945, 203285), (12753, 158525), (14547, 138975), (16575, 121971), (16677, 121225), (16785, 120445), (19023, 106275), (21255, 95115), (24089, 83925), (24245, 83385), (24525, 82433), (27795, 72735), (27975, 72267), (31705, 63765), (35425, 57069), (40657, 49725), (43641, 46325)]