31871709

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 47413080

約数和(自身を除く): 15541371

約数列:

[1, 3, 9, 53, 109, 159, 327, 477, 613, 981, 1839, 5517, 5777, 17331, 32489, 51993, 66817, 97467, 200451, 292401, 601353, 3541301, 10623903, 31871709]

約数ペア:

[(1, 31871709), (3, 10623903), (9, 3541301), (53, 601353), (109, 292401), (159, 200451), (327, 97467), (477, 66817), (613, 51993), (981, 32489), (1839, 17331), (5517, 5777)]