8921961

素因数分解:

$3^3\times {\mathrm{491}}^1\times {\mathrm{673}}^1$

素因数の和:1173

約数の個数: 16

約数和(自身を含む): 13264320

約数和(自身を除く): 4342359

約数列:

[1, 3, 9, 27, 491, 673, 1473, 2019, 4419, 6057, 13257, 18171, 330443, 991329, 2973987, 8921961]

約数ペア:

[(1, 8921961), (3, 2973987), (9, 991329), (27, 330443), (491, 18171), (673, 13257), (1473, 6057), (2019, 4419)]