31887531

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{607}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 49795200

約数和(自身を除く): 17907669

約数列:

[1, 3, 9, 13, 39, 117, 449, 607, 1347, 1821, 4041, 5463, 5837, 7891, 17511, 23673, 52533, 71019, 272543, 817629, 2452887, 3543059, 10629177, 31887531]

約数ペア:

[(1, 31887531), (3, 10629177), (9, 3543059), (13, 2452887), (39, 817629), (117, 272543), (449, 71019), (607, 52533), (1347, 23673), (1821, 17511), (4041, 7891), (5463, 5837)]