857265129

素因数分解:

$3^2\times 7^1\times {\mathrm{1747}}^1\times {\mathrm{7789}}^1$

素因数の和:9549

約数の個数: 24

約数和(自身を含む): 1416159680

約数和(自身を除く): 558894551

約数列:

[1, 3, 7, 9, 21, 63, 1747, 5241, 7789, 12229, 15723, 23367, 36687, 54523, 70101, 110061, 163569, 490707, 13607383, 40822149, 95251681, 122466447, 285755043, 857265129]

約数ペア:

[(1, 857265129), (3, 285755043), (7, 122466447), (9, 95251681), (21, 40822149), (63, 13607383), (1747, 490707), (5241, 163569), (7789, 110061), (12229, 70101), (15723, 54523), (23367, 36687)]