161760405

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{1543}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 269026560

約数和(自身を除く): 107266155

約数列:

[1, 3, 5, 15, 29, 87, 145, 241, 435, 723, 1205, 1543, 3615, 4629, 6989, 7715, 20967, 23145, 34945, 44747, 104835, 134241, 223735, 371863, 671205, 1115589, 1859315, 5577945, 10784027, 32352081, 53920135, 161760405]

約数ペア:

[(1, 161760405), (3, 53920135), (5, 32352081), (15, 10784027), (29, 5577945), (87, 1859315), (145, 1115589), (241, 671205), (435, 371863), (723, 223735), (1205, 134241), (1543, 104835), (3615, 44747), (4629, 34945), (6989, 23145), (7715, 20967)]