12918735

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7759}}^1$

素因数の和:7807

約数の個数: 24

約数和(自身を含む): 23000640

約数和(自身を除く): 10081905

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 7759, 23277, 38795, 69831, 116385, 287083, 349155, 861249, 1435415, 2583747, 4306245, 12918735]

約数ペア:

[(1, 12918735), (3, 4306245), (5, 2583747), (9, 1435415), (15, 861249), (37, 349155), (45, 287083), (111, 116385), (185, 69831), (333, 38795), (555, 23277), (1665, 7759)]