23978475

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 46425600

約数和(自身を除く): 22447125

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 71, 75, 79, 95, 171, 213, 225, 237, 285, 355, 395, 475, 639, 711, 855, 1065, 1185, 1349, 1425, 1501, 1775, 1975, 3195, 3555, 4047, 4275, 4503, 5325, 5609, 5925, 6745, 7505, 12141, 13509, 15975, 16827, 17775, 20235, 22515, 28045, 33725, 37525, 50481, 60705, 67545, 84135, 101175, 106571, 112575, 140225, 252405, 303525, 319713, 337725, 420675, 532855, 959139, 1262025, 1598565, 2664275, 4795695, 7992825, 23978475]

約数ペア:

[(1, 23978475), (3, 7992825), (5, 4795695), (9, 2664275), (15, 1598565), (19, 1262025), (25, 959139), (45, 532855), (57, 420675), (71, 337725), (75, 319713), (79, 303525), (95, 252405), (171, 140225), (213, 112575), (225, 106571), (237, 101175), (285, 84135), (355, 67545), (395, 60705), (475, 50481), (639, 37525), (711, 33725), (855, 28045), (1065, 22515), (1185, 20235), (1349, 17775), (1425, 16827), (1501, 15975), (1775, 13509), (1975, 12141), (3195, 7505), (3555, 6745), (4047, 5925), (4275, 5609), (4503, 5325)]