31243121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{11839}}^1$

素因数の和:11888

約数の個数: 16

約数和(自身を含む): 39782400

約数和(自身を除く): 8539279

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 11839, 82873, 153907, 343331, 1077349, 2403317, 4463303, 31243121]

約数ペア:

[(1, 31243121), (7, 4463303), (13, 2403317), (29, 1077349), (91, 343331), (203, 153907), (377, 82873), (2639, 11839)]