209213991

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{37313}}^1$

素因数の和:37415

約数の個数: 24

約数和(自身を含む): 349259040

約数和(自身を除く): 140045049

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 37313, 111939, 261191, 335817, 783573, 2350719, 3320857, 9962571, 23245999, 29887713, 69737997, 209213991]

約数ペア:

[(1, 209213991), (3, 69737997), (7, 29887713), (9, 23245999), (21, 9962571), (63, 3320857), (89, 2350719), (267, 783573), (623, 335817), (801, 261191), (1869, 111939), (5607, 37313)]