40396725

素因数分解:

$3^4\times 5^2\times {\mathrm{19949}}^1$

素因数の和:19971

約数の個数: 30

約数和(自身を含む): 74832450

約数和(自身を除く): 34435725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 19949, 59847, 99745, 179541, 299235, 498725, 538623, 897705, 1496175, 1615869, 2693115, 4488525, 8079345, 13465575, 40396725]

約数ペア:

[(1, 40396725), (3, 13465575), (5, 8079345), (9, 4488525), (15, 2693115), (25, 1615869), (27, 1496175), (45, 897705), (75, 538623), (81, 498725), (135, 299235), (225, 179541), (405, 99745), (675, 59847), (2025, 19949)]