212839095

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{289577}}^1$

素因数の和:289599

約数の個数: 24

約数和(自身を含む): 396142704

約数和(自身を除く): 183303609

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 289577, 868731, 1447885, 2027039, 4343655, 6081117, 10135195, 14189273, 30405585, 42567819, 70946365, 212839095]

約数ペア:

[(1, 212839095), (3, 70946365), (5, 42567819), (7, 30405585), (15, 14189273), (21, 10135195), (35, 6081117), (49, 4343655), (105, 2027039), (147, 1447885), (245, 868731), (735, 289577)]