31335417

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{8231}}^1$

素因数の和:8290

約数の個数: 20

約数和(自身を含む): 47811456

約数和(自身を除く): 16476039

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 8231, 24693, 74079, 222237, 386857, 666711, 1160571, 3481713, 10445139, 31335417]

約数ペア:

[(1, 31335417), (3, 10445139), (9, 3481713), (27, 1160571), (47, 666711), (81, 386857), (141, 222237), (423, 74079), (1269, 24693), (3807, 8231)]