278380419

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{701}}^1\times {\mathrm{6967}}^1$

素因数の和:7690

約数の個数: 16

約数和(自身を含む): 391322880

約数和(自身を除く): 112942461

約数列:

[1, 3, 19, 57, 701, 2103, 6967, 13319, 20901, 39957, 132373, 397119, 4883867, 14651601, 92793473, 278380419]

約数ペア:

[(1, 278380419), (3, 92793473), (19, 14651601), (57, 4883867), (701, 397119), (2103, 132373), (6967, 39957), (13319, 20901)]