81101671

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{4451}}^1$

素因数の和:4614

約数の個数: 16

約数和(自身を含む): 98300160

約数和(自身を除く): 17198489

約数列:

[1, 7, 19, 133, 137, 959, 2603, 4451, 18221, 31157, 84569, 591983, 609787, 4268509, 11585953, 81101671]

約数ペア:

[(1, 81101671), (7, 11585953), (19, 4268509), (133, 609787), (137, 591983), (959, 84569), (2603, 31157), (4451, 18221)]