647598339

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{13417}}^1$

素因数の和:13627

約数の個数: 24

約数和(自身を含む): 971248512

約数和(自身を除く): 323650173

約数列:

[1, 3, 9, 31, 93, 173, 279, 519, 1557, 5363, 13417, 16089, 40251, 48267, 120753, 415927, 1247781, 2321141, 3743343, 6963423, 20890269, 71955371, 215866113, 647598339]

約数ペア:

[(1, 647598339), (3, 215866113), (9, 71955371), (31, 20890269), (93, 6963423), (173, 3743343), (279, 2321141), (519, 1247781), (1557, 415927), (5363, 120753), (13417, 48267), (16089, 40251)]