31899855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5641}}^1$

素因数の和:5691

約数の個数: 32

約数和(自身を含む): 56871360

約数和(自身を除く): 24971505

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 5641, 5655, 16923, 28205, 73333, 84615, 163589, 219999, 366665, 490767, 817945, 1099995, 2126657, 2453835, 6379971, 10633285, 31899855]

約数ペア:

[(1, 31899855), (3, 10633285), (5, 6379971), (13, 2453835), (15, 2126657), (29, 1099995), (39, 817945), (65, 490767), (87, 366665), (145, 219999), (195, 163589), (377, 84615), (435, 73333), (1131, 28205), (1885, 16923), (5641, 5655)]