31690971

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{617}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 49489440

約数和(自身を除く): 17798469

約数列:

[1, 3, 9, 13, 39, 117, 439, 617, 1317, 1851, 3951, 5553, 5707, 8021, 17121, 24063, 51363, 72189, 270863, 812589, 2437767, 3521219, 10563657, 31690971]

約数ペア:

[(1, 31690971), (3, 10563657), (9, 3521219), (13, 2437767), (39, 812589), (117, 270863), (439, 72189), (617, 51363), (1317, 24063), (1851, 17121), (3951, 8021), (5553, 5707)]