156931551

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{22853}}^1$

素因数の和:22975

約数の個数: 24

約数和(自身を含む): 261449760

約数和(自身を除く): 104518209

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 22853, 68559, 159971, 205677, 479913, 1439739, 2490977, 7472931, 17436839, 22418793, 52310517, 156931551]

約数ペア:

[(1, 156931551), (3, 52310517), (7, 22418793), (9, 17436839), (21, 7472931), (63, 2490977), (109, 1439739), (327, 479913), (763, 205677), (981, 159971), (2289, 68559), (6867, 22853)]