1520689977

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{377999}}^1$

素因数の和:378157

約数の個数: 16

約数和(自身を含む): 2268000000

約数和(自身を除く): 747310023

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 377999, 1133997, 3401991, 10205973, 56321851, 168965553, 506896659, 1520689977]

約数ペア:

[(1, 1520689977), (3, 506896659), (9, 168965553), (27, 56321851), (149, 10205973), (447, 3401991), (1341, 1133997), (4023, 377999)]