778867011

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{10289}}^1$

素因数の和:10955

約数の個数: 24

約数和(自身を含む): 1213561440

約数和(自身を除く): 434694429

約数列:

[1, 3, 9, 13, 39, 117, 647, 1941, 5823, 8411, 10289, 25233, 30867, 75699, 92601, 133757, 401271, 1203813, 6656983, 19970949, 59912847, 86540779, 259622337, 778867011]

約数ペア:

[(1, 778867011), (3, 259622337), (9, 86540779), (13, 59912847), (39, 19970949), (117, 6656983), (647, 1203813), (1941, 401271), (5823, 133757), (8411, 92601), (10289, 75699), (25233, 30867)]