81658881

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 124531200

約数和(自身を除く): 42872319

約数列:

[1, 3, 9, 27, 47, 141, 229, 281, 423, 687, 843, 1269, 2061, 2529, 6183, 7587, 10763, 13207, 32289, 39621, 64349, 96867, 118863, 193047, 290601, 356589, 579141, 1737423, 3024403, 9073209, 27219627, 81658881]

約数ペア:

[(1, 81658881), (3, 27219627), (9, 9073209), (27, 3024403), (47, 1737423), (141, 579141), (229, 356589), (281, 290601), (423, 193047), (687, 118863), (843, 96867), (1269, 64349), (2061, 39621), (2529, 32289), (6183, 13207), (7587, 10763)]