81387378

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{110281}}^1$

素因数の和:110330

約数の個数: 24

約数和(自身を含む): 180641916

約数和(自身を除く): 99254538

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 110281, 220562, 330843, 661686, 992529, 1985058, 4521521, 9043042, 13564563, 27129126, 40693689, 81387378]

約数ペア:

[(1, 81387378), (2, 40693689), (3, 27129126), (6, 13564563), (9, 9043042), (18, 4521521), (41, 1985058), (82, 992529), (123, 661686), (246, 330843), (369, 220562), (738, 110281)]