15720993

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{5653}}^1$

素因数の和:5765

約数の個数: 16

約数和(自身を含む): 23520640

約数和(自身を除く): 7799647

約数列:

[1, 3, 9, 27, 103, 309, 927, 2781, 5653, 16959, 50877, 152631, 582259, 1746777, 5240331, 15720993]

約数ペア:

[(1, 15720993), (3, 5240331), (9, 1746777), (27, 582259), (103, 152631), (309, 50877), (927, 16959), (2781, 5653)]