31267509

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2161}}^1$

素因数の和:2237

約数の個数: 32

約数和(自身を含む): 52303104

約数和(自身を除く): 21035595

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 2067, 2161, 4823, 6483, 14469, 15127, 28093, 45381, 84279, 114533, 196651, 343599, 589953, 801731, 1488929, 2405193, 4466787, 10422503, 31267509]

約数ペア:

[(1, 31267509), (3, 10422503), (7, 4466787), (13, 2405193), (21, 1488929), (39, 801731), (53, 589953), (91, 343599), (159, 196651), (273, 114533), (371, 84279), (689, 45381), (1113, 28093), (2067, 15127), (2161, 14469), (4823, 6483)]