31255047

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2087

約数の個数: 24

約数和(自身を含む): 47376576

約数和(自身を除く): 16121529

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1739, 1997, 5217, 5991, 15651, 17973, 73889, 93859, 221667, 281577, 665001, 844731, 3472783, 10418349, 31255047]

約数ペア:

[(1, 31255047), (3, 10418349), (9, 3472783), (37, 844731), (47, 665001), (111, 281577), (141, 221667), (333, 93859), (423, 73889), (1739, 17973), (1997, 15651), (5217, 5991)]