31840155

素因数分解:

$3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1039}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 56908800

約数和(自身を除く): 25068645

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 227, 681, 1039, 1135, 2043, 3117, 3405, 5195, 6129, 9351, 10215, 15585, 28053, 30645, 46755, 140265, 235853, 707559, 1179265, 2122677, 3537795, 6368031, 10613385, 31840155]

約数ペア:

[(1, 31840155), (3, 10613385), (5, 6368031), (9, 3537795), (15, 2122677), (27, 1179265), (45, 707559), (135, 235853), (227, 140265), (681, 46755), (1039, 30645), (1135, 28053), (2043, 15585), (3117, 10215), (3405, 9351), (5195, 6129)]