311991471

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{367}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 510701568

約数和(自身を除く): 198710097

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 277, 279, 341, 367, 831, 1023, 1101, 2493, 3047, 3069, 3303, 4037, 8587, 9141, 11377, 12111, 25761, 27423, 34131, 36333, 77283, 94457, 101659, 102393, 125147, 283371, 304977, 375441, 850113, 914931, 1118249, 1126323, 3151429, 3354747, 9454287, 10064241, 28362861, 34665719, 103997157, 311991471]

約数ペア:

[(1, 311991471), (3, 103997157), (9, 34665719), (11, 28362861), (31, 10064241), (33, 9454287), (93, 3354747), (99, 3151429), (277, 1126323), (279, 1118249), (341, 914931), (367, 850113), (831, 375441), (1023, 304977), (1101, 283371), (2493, 125147), (3047, 102393), (3069, 101659), (3303, 94457), (4037, 77283), (8587, 36333), (9141, 34131), (11377, 27423), (12111, 25761)]