87847151

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{241}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 105606864

約数和(自身を除く): 17759713

約数列:

[1, 7, 43, 49, 173, 241, 301, 1211, 1687, 2107, 7439, 8477, 10363, 11809, 41693, 52073, 72541, 291851, 364511, 507787, 1792799, 2042957, 12549593, 87847151]

約数ペア:

[(1, 87847151), (7, 12549593), (43, 2042957), (49, 1792799), (173, 507787), (241, 364511), (301, 291851), (1211, 72541), (1687, 52073), (2107, 41693), (7439, 11809), (8477, 10363)]