998331

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 16

約数和(自身を含む): 1393920

約数和(自身を除く): 395589

約数列:

[1, 3, 43, 71, 109, 129, 213, 327, 3053, 4687, 7739, 9159, 14061, 23217, 332777, 998331]

約数ペア:

[(1, 998331), (3, 332777), (43, 23217), (71, 14061), (109, 9159), (129, 7739), (213, 4687), (327, 3053)]