81620811

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{64319}}^1$

素因数の和:64375

約数の個数: 16

約数和(自身を含む): 123494400

約数和(自身を除く): 41873589

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 64319, 192957, 578871, 1736613, 3022993, 9068979, 27206937, 81620811]

約数ペア:

[(1, 81620811), (3, 27206937), (9, 9068979), (27, 3022993), (47, 1736613), (141, 578871), (423, 192957), (1269, 64319)]