81765257

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{6803}}^1$

素因数の和:6928

約数の個数: 16

約数和(自身を含む): 99937152

約数和(自身を除く): 18171895

約数列:

[1, 7, 17, 101, 119, 707, 1717, 6803, 12019, 47621, 115651, 687103, 809557, 4809721, 11680751, 81765257]

約数ペア:

[(1, 81765257), (7, 11680751), (17, 4809721), (101, 809557), (119, 687103), (707, 115651), (1717, 47621), (6803, 12019)]