15961725

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 33747840

約数和(自身を除く): 17786115

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 27, 39, 45, 51, 65, 75, 85, 107, 117, 135, 153, 195, 221, 225, 255, 321, 325, 351, 425, 459, 535, 585, 663, 675, 765, 963, 975, 1105, 1275, 1391, 1605, 1755, 1819, 1989, 2295, 2675, 2889, 2925, 3315, 3825, 4173, 4815, 5457, 5525, 5967, 6955, 8025, 8775, 9095, 9945, 11475, 12519, 14445, 16371, 16575, 20865, 23647, 24075, 27285, 29835, 34775, 37557, 45475, 49113, 49725, 62595, 70941, 72225, 81855, 104325, 118235, 136425, 149175, 187785, 212823, 245565, 312975, 354705, 409275, 591175, 638469, 938925, 1064115, 1227825, 1773525, 3192345, 5320575, 15961725]

約数ペア:

[(1, 15961725), (3, 5320575), (5, 3192345), (9, 1773525), (13, 1227825), (15, 1064115), (17, 938925), (25, 638469), (27, 591175), (39, 409275), (45, 354705), (51, 312975), (65, 245565), (75, 212823), (85, 187785), (107, 149175), (117, 136425), (135, 118235), (153, 104325), (195, 81855), (221, 72225), (225, 70941), (255, 62595), (321, 49725), (325, 49113), (351, 45475), (425, 37557), (459, 34775), (535, 29835), (585, 27285), (663, 24075), (675, 23647), (765, 20865), (963, 16575), (975, 16371), (1105, 14445), (1275, 12519), (1391, 11475), (1605, 9945), (1755, 9095), (1819, 8775), (1989, 8025), (2295, 6955), (2675, 5967), (2889, 5525), (2925, 5457), (3315, 4815), (3825, 4173)]