491148909

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{1801}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 718053752

約数和(自身を除く): 226904843

約数列:

[1, 3, 9, 157, 193, 471, 579, 1413, 1737, 1801, 5403, 16209, 30301, 90903, 272709, 282757, 347593, 848271, 1042779, 2544813, 3128337, 54572101, 163716303, 491148909]

約数ペア:

[(1, 491148909), (3, 163716303), (9, 54572101), (157, 3128337), (193, 2544813), (471, 1042779), (579, 848271), (1413, 347593), (1737, 282757), (1801, 272709), (5403, 90903), (16209, 30301)]