121688749

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{70381}}^1$

素因数の和:70420

約数の個数: 16

約数和(自身を含む): 157655680

約数和(自身を除く): 35966931

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 70381, 492667, 914953, 1337239, 6404671, 9360673, 17384107, 121688749]

約数ペア:

[(1, 121688749), (7, 17384107), (13, 9360673), (19, 6404671), (91, 1337239), (133, 914953), (247, 492667), (1729, 70381)]