157029509

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{90821}}^1$

素因数の和:90860

約数の個数: 16

約数和(自身を含む): 203441280

約数和(自身を除く): 46411771

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 90821, 635747, 1180673, 1725599, 8264711, 12079193, 22432787, 157029509]

約数ペア:

[(1, 157029509), (7, 22432787), (13, 12079193), (19, 8264711), (91, 1725599), (133, 1180673), (247, 635747), (1729, 90821)]