61236405

素因数分解:

$3^4\times 5^1\times {\mathrm{151201}}^1$

素因数の和:151218

約数の個数: 20

約数和(自身を含む): 109772652

約数和(自身を除く): 48536247

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 151201, 453603, 756005, 1360809, 2268015, 4082427, 6804045, 12247281, 20412135, 61236405]

約数ペア:

[(1, 61236405), (3, 20412135), (5, 12247281), (9, 6804045), (15, 4082427), (27, 2268015), (45, 1360809), (81, 756005), (135, 453603), (405, 151201)]