1918443987

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{476869}}^1$

素因数の和:477027

約数の個数: 16

約数和(自身を含む): 2861220000

約数和(自身を除く): 942776013

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 476869, 1430607, 4291821, 12875463, 71053481, 213160443, 639481329, 1918443987]

約数ペア:

[(1, 1918443987), (3, 639481329), (9, 213160443), (27, 71053481), (149, 12875463), (447, 4291821), (1341, 1430607), (4023, 476869)]