28720371

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{677}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 39052800

約数和(自身を除く): 10332429

約数列:

[1, 3, 79, 179, 237, 537, 677, 2031, 14141, 42423, 53483, 121183, 160449, 363549, 9573457, 28720371]

約数ペア:

[(1, 28720371), (3, 9573457), (79, 363549), (179, 160449), (237, 121183), (537, 53483), (677, 42423), (2031, 14141)]