231430689

素因数分解:

$3^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2137}}^1$

素因数の和:2347

約数の個数: 40

約数和(自身を含む): 397360128

約数和(自身を除く): 165929439

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 191, 567, 573, 1337, 1719, 2137, 4011, 5157, 6411, 12033, 14959, 15471, 19233, 36099, 44877, 57699, 108297, 134631, 173097, 403893, 408167, 1211679, 1224501, 2857169, 3673503, 8571507, 11020509, 25714521, 33061527, 77143563, 231430689]

約数ペア:

[(1, 231430689), (3, 77143563), (7, 33061527), (9, 25714521), (21, 11020509), (27, 8571507), (63, 3673503), (81, 2857169), (189, 1224501), (191, 1211679), (567, 408167), (573, 403893), (1337, 173097), (1719, 134631), (2137, 108297), (4011, 57699), (5157, 44877), (6411, 36099), (12033, 19233), (14959, 15471)]