397957779

素因数分解:

$3^4\times {\mathrm{863}}^1\times {\mathrm{5693}}^1$

素因数の和:6568

約数の個数: 20

約数和(自身を含む): 595273536

約数和(自身を除く): 197315757

約数列:

[1, 3, 9, 27, 81, 863, 2589, 5693, 7767, 17079, 23301, 51237, 69903, 153711, 461133, 4913059, 14739177, 44217531, 132652593, 397957779]

約数ペア:

[(1, 397957779), (3, 132652593), (9, 44217531), (27, 14739177), (81, 4913059), (863, 461133), (2589, 153711), (5693, 69903), (7767, 51237), (17079, 23301)]