31479371

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21517}}^1$

素因数の和:21554

約数の個数: 16

約数和(自身を含む): 41314560

約数和(自身を除く): 9835189

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 21517, 150619, 236687, 408823, 1656809, 2861761, 4497053, 31479371]

約数ペア:

[(1, 31479371), (7, 4497053), (11, 2861761), (19, 1656809), (77, 408823), (133, 236687), (209, 150619), (1463, 21517)]