247173885

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{112097}}^1$

素因数の和:112122

約数の個数: 36

約数和(自身を含む): 498387708

約数和(自身を除く): 251213823

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 112097, 336291, 560485, 784679, 1008873, 1681455, 2354037, 3923395, 5044365, 5492753, 7062111, 11770185, 16478259, 27463765, 35310555, 49434777, 82391295, 247173885]

約数ペア:

[(1, 247173885), (3, 82391295), (5, 49434777), (7, 35310555), (9, 27463765), (15, 16478259), (21, 11770185), (35, 7062111), (45, 5492753), (49, 5044365), (63, 3923395), (105, 2354037), (147, 1681455), (245, 1008873), (315, 784679), (441, 560485), (735, 336291), (2205, 112097)]