81000558

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{73771}}^1$

素因数の和:73840

約数の個数: 24

約数和(自身を含む): 178380696

約数和(自身を除く): 97380138

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 73771, 147542, 221313, 442626, 663939, 1327878, 4500031, 9000062, 13500093, 27000186, 40500279, 81000558]

約数ペア:

[(1, 81000558), (2, 40500279), (3, 27000186), (6, 13500093), (9, 9000062), (18, 4500031), (61, 1327878), (122, 663939), (183, 442626), (366, 221313), (549, 147542), (1098, 73771)]