261550107

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{106451}}^1$

素因数の和:106480

約数の個数: 32

約数和(自身を含む): 476904960

約数和(自身を除く): 215354853

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 106451, 319353, 745157, 958059, 1383863, 2235471, 2874177, 4151589, 6706413, 9687041, 12454767, 20119239, 29061123, 37364301, 87183369, 261550107]

約数ペア:

[(1, 261550107), (3, 87183369), (7, 37364301), (9, 29061123), (13, 20119239), (21, 12454767), (27, 9687041), (39, 6706413), (63, 4151589), (91, 2874177), (117, 2235471), (189, 1383863), (273, 958059), (351, 745157), (819, 319353), (2457, 106451)]