1990753389

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{494843}}^1$

素因数の和:495001

約数の個数: 16

約数和(自身を含む): 2969064000

約数和(自身を除く): 978310611

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 494843, 1484529, 4453587, 13360761, 73731607, 221194821, 663584463, 1990753389]

約数ペア:

[(1, 1990753389), (3, 663584463), (9, 221194821), (27, 73731607), (149, 13360761), (447, 4453587), (1341, 1484529), (4023, 494843)]