1919314521

素因数分解:

$3^4\times {\mathrm{1559}}^1\times {\mathrm{15199}}^1$

素因数の和:16770

約数の個数: 20

約数和(自身を含む): 2869152000

約数和(自身を除く): 949837479

約数列:

[1, 3, 9, 27, 81, 1559, 4677, 14031, 15199, 42093, 45597, 126279, 136791, 410373, 1231119, 23695241, 71085723, 213257169, 639771507, 1919314521]

約数ペア:

[(1, 1919314521), (3, 639771507), (9, 213257169), (27, 71085723), (81, 23695241), (1559, 1231119), (4677, 410373), (14031, 136791), (15199, 126279), (42093, 45597)]