1310175

素因数分解:

$3^4\times 5^2\times {\mathrm{647}}^1$

素因数の和:669

約数の個数: 30

約数和(自身を含む): 2430648

約数和(自身を除く): 1120473

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 647, 675, 1941, 2025, 3235, 5823, 9705, 16175, 17469, 29115, 48525, 52407, 87345, 145575, 262035, 436725, 1310175]

約数ペア:

[(1, 1310175), (3, 436725), (5, 262035), (9, 145575), (15, 87345), (25, 52407), (27, 48525), (45, 29115), (75, 17469), (81, 16175), (135, 9705), (225, 5823), (405, 3235), (647, 2025), (675, 1941)]