28192257

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1459}}^1$

素因数の和:1597

約数の個数: 24

約数和(自身を含む): 43274400

約数和(自身を除く): 15082143

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 1017, 1459, 2147, 4377, 6441, 13131, 19323, 27721, 83163, 164867, 249489, 494601, 1483803, 3132473, 9397419, 28192257]

約数ペア:

[(1, 28192257), (3, 9397419), (9, 3132473), (19, 1483803), (57, 494601), (113, 249489), (171, 164867), (339, 83163), (1017, 27721), (1459, 19323), (2147, 13131), (4377, 6441)]