31337685

素因数分解:

$3^4\times 5^1\times {\mathrm{77377}}^1$

素因数の和:77394

約数の個数: 20

約数和(自身を含む): 56176428

約数和(自身を除く): 24838743

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 77377, 232131, 386885, 696393, 1160655, 2089179, 3481965, 6267537, 10445895, 31337685]

約数ペア:

[(1, 31337685), (3, 10445895), (5, 6267537), (9, 3481965), (15, 2089179), (27, 1160655), (45, 696393), (81, 386885), (135, 232131), (405, 77377)]