28656009

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1483}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 43985760

約数和(自身を除く): 15329751

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 1017, 1483, 2147, 4449, 6441, 13347, 19323, 28177, 84531, 167579, 253593, 502737, 1508211, 3184001, 9552003, 28656009]

約数ペア:

[(1, 28656009), (3, 9552003), (9, 3184001), (19, 1508211), (57, 502737), (113, 253593), (171, 167579), (339, 84531), (1017, 28177), (1483, 19323), (2147, 13347), (4449, 6441)]