28712421

素因数分解:

$3^3\times {\mathrm{373}}^1\times {\mathrm{2851}}^1$

素因数の和:3233

約数の個数: 16

約数和(自身を含む): 42665920

約数和(自身を除く): 13953499

約数列:

[1, 3, 9, 27, 373, 1119, 2851, 3357, 8553, 10071, 25659, 76977, 1063423, 3190269, 9570807, 28712421]

約数ペア:

[(1, 28712421), (3, 9570807), (9, 3190269), (27, 1063423), (373, 76977), (1119, 25659), (2851, 10071), (3357, 8553)]