31377759

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4139}}^1$

素因数の和:4187

約数の個数: 24

約数和(自身を含む): 50474880

約数和(自身を除く): 19097121

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 4139, 7581, 12417, 28973, 78641, 86919, 235923, 550487, 1494179, 1651461, 4482537, 10459253, 31377759]

約数ペア:

[(1, 31377759), (3, 10459253), (7, 4482537), (19, 1651461), (21, 1494179), (57, 550487), (133, 235923), (361, 86919), (399, 78641), (1083, 28973), (2527, 12417), (4139, 7581)]