212425875

素因数分解:

$3^3\times 5^3\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 396938880

約数和(自身を除く): 184513005

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 113, 125, 135, 225, 339, 375, 557, 565, 675, 1017, 1125, 1671, 1695, 2785, 2825, 3051, 3375, 5013, 5085, 8355, 8475, 13925, 14125, 15039, 15255, 25065, 25425, 41775, 42375, 62941, 69625, 75195, 76275, 125325, 127125, 188823, 208875, 314705, 375975, 381375, 566469, 626625, 944115, 1573525, 1699407, 1879875, 2832345, 4720575, 7867625, 8497035, 14161725, 23602875, 42485175, 70808625, 212425875]

約数ペア:

[(1, 212425875), (3, 70808625), (5, 42485175), (9, 23602875), (15, 14161725), (25, 8497035), (27, 7867625), (45, 4720575), (75, 2832345), (113, 1879875), (125, 1699407), (135, 1573525), (225, 944115), (339, 626625), (375, 566469), (557, 381375), (565, 375975), (675, 314705), (1017, 208875), (1125, 188823), (1671, 127125), (1695, 125325), (2785, 76275), (2825, 75195), (3051, 69625), (3375, 62941), (5013, 42375), (5085, 41775), (8355, 25425), (8475, 25065), (13925, 15255), (14125, 15039)]