209372751

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89821}}^1$

素因数の和:89871

約数の個数: 24

約数和(自身を含む): 354976544

約数和(自身を除く): 145603793

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 89821, 269463, 628747, 808389, 1886241, 3323377, 5658723, 9970131, 23263639, 29910393, 69790917, 209372751]

約数ペア:

[(1, 209372751), (3, 69790917), (7, 29910393), (9, 23263639), (21, 9970131), (37, 5658723), (63, 3323377), (111, 1886241), (259, 808389), (333, 628747), (777, 269463), (2331, 89821)]