42399171

素因数分解:

$3^2\times {\mathrm{137}}^2\times {\mathrm{251}}^1$

素因数の和:531

約数の個数: 18

約数和(自身を含む): 61939332

約数和(自身を除く): 19540161

約数列:

[1, 3, 9, 137, 251, 411, 753, 1233, 2259, 18769, 34387, 56307, 103161, 168921, 309483, 4711019, 14133057, 42399171]

約数ペア:

[(1, 42399171), (3, 14133057), (9, 4711019), (137, 309483), (251, 168921), (411, 103161), (753, 56307), (1233, 34387), (2259, 18769)]