720414

素因数分解:

$2^1\times 3^4\times {\mathrm{4447}}^1$

素因数の和:4461

約数の個数: 20

約数和(自身を含む): 1614624

約数和(自身を除く): 894210

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 4447, 8894, 13341, 26682, 40023, 80046, 120069, 240138, 360207, 720414]

約数ペア:

[(1, 720414), (2, 360207), (3, 240138), (6, 120069), (9, 80046), (18, 40023), (27, 26682), (54, 13341), (81, 8894), (162, 4447)]