209230245

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{94889}}^1$

素因数の和:94914

約数の個数: 36

約数和(自身を含む): 421880940

約数和(自身を除く): 212650695

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 94889, 284667, 474445, 664223, 854001, 1423335, 1992669, 3321115, 4270005, 4649561, 5978007, 9963345, 13948683, 23247805, 29890035, 41846049, 69743415, 209230245]

約数ペア:

[(1, 209230245), (3, 69743415), (5, 41846049), (7, 29890035), (9, 23247805), (15, 13948683), (21, 9963345), (35, 5978007), (45, 4649561), (49, 4270005), (63, 3321115), (105, 1992669), (147, 1423335), (245, 854001), (315, 664223), (441, 474445), (735, 284667), (2205, 94889)]