28587531

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{1721}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 44758224

約数和(自身を除く): 16170693

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 1721, 2373, 5163, 5537, 12047, 16611, 36141, 84329, 194473, 252987, 583419, 1361311, 4083933, 9529177, 28587531]

約数ペア:

[(1, 28587531), (3, 9529177), (7, 4083933), (21, 1361311), (49, 583419), (113, 252987), (147, 194473), (339, 84329), (791, 36141), (1721, 16611), (2373, 12047), (5163, 5537)]