205045911

素因数分解:

$3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3511}}^1$

素因数の和:3633

約数の個数: 40

約数和(自身を含む): 353560064

約数和(自身を除く): 148514153

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 309, 567, 721, 927, 2163, 2781, 3511, 6489, 8343, 10533, 19467, 24577, 31599, 58401, 73731, 94797, 221193, 284391, 361633, 663579, 1084899, 1990737, 2531431, 3254697, 7594293, 9764091, 22782879, 29292273, 68348637, 205045911]

約数ペア:

[(1, 205045911), (3, 68348637), (7, 29292273), (9, 22782879), (21, 9764091), (27, 7594293), (63, 3254697), (81, 2531431), (103, 1990737), (189, 1084899), (309, 663579), (567, 361633), (721, 284391), (927, 221193), (2163, 94797), (2781, 73731), (3511, 58401), (6489, 31599), (8343, 24577), (10533, 19467)]