261607129

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{33161}}^1$

素因数の和:33205

約数の個数: 16

約数和(自身を含む): 318355200

約数和(自身を除く): 56748071

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 33161, 232127, 762703, 1624889, 5338921, 11374223, 37372447, 261607129]

約数ペア:

[(1, 261607129), (7, 37372447), (23, 11374223), (49, 5338921), (161, 1624889), (343, 762703), (1127, 232127), (7889, 33161)]