2011695

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:69

約数の個数: 64

約数和(自身を含む): 4147200

約数和(自身を除く): 2135505

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 35, 49, 51, 69, 85, 105, 115, 119, 147, 161, 245, 255, 343, 345, 357, 391, 483, 595, 735, 805, 833, 1029, 1127, 1173, 1715, 1785, 1955, 2415, 2499, 2737, 3381, 4165, 5145, 5635, 5831, 5865, 7889, 8211, 12495, 13685, 16905, 17493, 19159, 23667, 29155, 39445, 41055, 57477, 87465, 95795, 118335, 134113, 287385, 402339, 670565, 2011695]

約数ペア:

[(1, 2011695), (3, 670565), (5, 402339), (7, 287385), (15, 134113), (17, 118335), (21, 95795), (23, 87465), (35, 57477), (49, 41055), (51, 39445), (69, 29155), (85, 23667), (105, 19159), (115, 17493), (119, 16905), (147, 13685), (161, 12495), (245, 8211), (255, 7889), (343, 5865), (345, 5831), (357, 5635), (391, 5145), (483, 4165), (595, 3381), (735, 2737), (805, 2499), (833, 2415), (1029, 1955), (1127, 1785), (1173, 1715)]