31127625

素因数分解:

$3^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 60203520

約数和(自身を除く): 29075895

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 125, 135, 207, 225, 345, 375, 401, 575, 621, 675, 1035, 1125, 1203, 1725, 2005, 2875, 3105, 3375, 3609, 5175, 6015, 8625, 9223, 10025, 10827, 15525, 18045, 25875, 27669, 30075, 46115, 50125, 54135, 77625, 83007, 90225, 138345, 150375, 230575, 249021, 270675, 415035, 451125, 691725, 1152875, 1245105, 1353375, 2075175, 3458625, 6225525, 10375875, 31127625]

約数ペア:

[(1, 31127625), (3, 10375875), (5, 6225525), (9, 3458625), (15, 2075175), (23, 1353375), (25, 1245105), (27, 1152875), (45, 691725), (69, 451125), (75, 415035), (115, 270675), (125, 249021), (135, 230575), (207, 150375), (225, 138345), (345, 90225), (375, 83007), (401, 77625), (575, 54135), (621, 50125), (675, 46115), (1035, 30075), (1125, 27669), (1203, 25875), (1725, 18045), (2005, 15525), (2875, 10827), (3105, 10025), (3375, 9223), (3609, 8625), (5175, 6015)]