12713355

素因数分解:

$3^4\times 5^1\times {\mathrm{31391}}^1$

素因数の和:31408

約数の個数: 20

約数和(自身を含む): 22790592

約数和(自身を除く): 10077237

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31391, 94173, 156955, 282519, 470865, 847557, 1412595, 2542671, 4237785, 12713355]

約数ペア:

[(1, 12713355), (3, 4237785), (5, 2542671), (9, 1412595), (15, 847557), (27, 470865), (45, 282519), (81, 156955), (135, 94173), (405, 31391)]