1221315405

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{914843}}^1$

素因数の和:914940

約数の個数: 16

約数和(自身を含む): 1976063040

約数和(自身を除く): 754747635

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 914843, 2744529, 4574215, 13722645, 81421027, 244263081, 407105135, 1221315405]

約数ペア:

[(1, 1221315405), (3, 407105135), (5, 244263081), (15, 81421027), (89, 13722645), (267, 4574215), (445, 2744529), (1335, 914843)]