31169281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 38763648

約数和(自身を除く): 7594367

約数列:

[1, 11, 13, 37, 43, 137, 143, 407, 473, 481, 559, 1507, 1591, 1781, 5069, 5291, 5891, 6149, 17501, 19591, 20683, 55759, 64801, 65897, 76583, 217967, 227513, 724867, 842413, 2397637, 2833571, 31169281]

約数ペア:

[(1, 31169281), (11, 2833571), (13, 2397637), (37, 842413), (43, 724867), (137, 227513), (143, 217967), (407, 76583), (473, 65897), (481, 64801), (559, 55759), (1507, 20683), (1591, 19591), (1781, 17501), (5069, 6149), (5291, 5891)]