331177

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:69

約数の個数: 24

約数和(自身を含む): 459648

約数和(自身を除く): 128471

約数列:

[1, 7, 11, 17, 23, 77, 119, 121, 161, 187, 253, 391, 847, 1309, 1771, 2057, 2737, 2783, 4301, 14399, 19481, 30107, 47311, 331177]

約数ペア:

[(1, 331177), (7, 47311), (11, 30107), (17, 19481), (23, 14399), (77, 4301), (119, 2783), (121, 2737), (161, 2057), (187, 1771), (253, 1309), (391, 847)]