66974859

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{22619}}^1$

素因数の和:22679

約数の個数: 24

約数和(自身を含む): 112919040

約数和(自身を除く): 45944181

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 22619, 67857, 158333, 203571, 474999, 1063093, 1424997, 3189279, 7441651, 9567837, 22324953, 66974859]

約数ペア:

[(1, 66974859), (3, 22324953), (7, 9567837), (9, 7441651), (21, 3189279), (47, 1424997), (63, 1063093), (141, 474999), (329, 203571), (423, 158333), (987, 67857), (2961, 22619)]