642333951

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{33211}}^1$

素因数の和:33531

約数の個数: 24

約数和(自身を含む): 1063846784

約数和(自身を除く): 421512833

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 2149, 2763, 6447, 19341, 33211, 99633, 232477, 298899, 697431, 2092293, 10195777, 30587331, 71370439, 91761993, 214111317, 642333951]

約数ペア:

[(1, 642333951), (3, 214111317), (7, 91761993), (9, 71370439), (21, 30587331), (63, 10195777), (307, 2092293), (921, 697431), (2149, 298899), (2763, 232477), (6447, 99633), (19341, 33211)]