278313561

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{4001}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 412045920

約数和(自身を除く): 133732359

約数列:

[1, 3, 9, 59, 131, 177, 393, 531, 1179, 4001, 7729, 12003, 23187, 36009, 69561, 236059, 524131, 708177, 1572393, 2124531, 4717179, 30923729, 92771187, 278313561]

約数ペア:

[(1, 278313561), (3, 92771187), (9, 30923729), (59, 4717179), (131, 2124531), (177, 1572393), (393, 708177), (531, 524131), (1179, 236059), (4001, 69561), (7729, 36009), (12003, 23187)]