888900399

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{28211}}^1$

素因数の和:28612

約数の個数: 20

約数和(自身を含む): 1331324280

約数和(自身を除く): 442423881

約数列:

[1, 3, 9, 27, 81, 389, 1167, 3501, 10503, 28211, 31509, 84633, 253899, 761697, 2285091, 10974079, 32922237, 98766711, 296300133, 888900399]

約数ペア:

[(1, 888900399), (3, 296300133), (9, 98766711), (27, 32922237), (81, 10974079), (389, 2285091), (1167, 761697), (3501, 253899), (10503, 84633), (28211, 31509)]