840507939

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{521}}^1\times {\mathrm{2269}}^1$

素因数の和:2875

約数の個数: 24

約数和(自身を含む): 1232337600

約数和(自身を除く): 391829661

約数列:

[1, 3, 9, 79, 237, 521, 711, 1563, 2269, 4689, 6807, 20421, 41159, 123477, 179251, 370431, 537753, 1182149, 1613259, 3546447, 10639341, 93389771, 280169313, 840507939]

約数ペア:

[(1, 840507939), (3, 280169313), (9, 93389771), (79, 10639341), (237, 3546447), (521, 1613259), (711, 1182149), (1563, 537753), (2269, 370431), (4689, 179251), (6807, 123477), (20421, 41159)]