71428239

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{677}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 108941040

約数和(自身を除く): 37512801

約数列:

[1, 3, 9, 19, 57, 171, 617, 677, 1851, 2031, 5553, 6093, 11723, 12863, 35169, 38589, 105507, 115767, 417709, 1253127, 3759381, 7936471, 23809413, 71428239]

約数ペア:

[(1, 71428239), (3, 23809413), (9, 7936471), (19, 3759381), (57, 1253127), (171, 417709), (617, 115767), (677, 105507), (1851, 38589), (2031, 35169), (5553, 12863), (6093, 11723)]