9990123

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 16534560

約数和(自身を除く): 6544437

約数列:

[1, 3, 11, 13, 29, 33, 39, 73, 87, 121, 143, 219, 319, 363, 377, 429, 803, 949, 957, 1131, 1573, 2117, 2409, 2847, 3509, 4147, 4719, 6351, 8833, 10439, 10527, 12441, 23287, 26499, 27521, 31317, 45617, 69861, 82563, 114829, 136851, 256157, 302731, 344487, 768471, 908193, 3330041, 9990123]

約数ペア:

[(1, 9990123), (3, 3330041), (11, 908193), (13, 768471), (29, 344487), (33, 302731), (39, 256157), (73, 136851), (87, 114829), (121, 82563), (143, 69861), (219, 45617), (319, 31317), (363, 27521), (377, 26499), (429, 23287), (803, 12441), (949, 10527), (957, 10439), (1131, 8833), (1573, 6351), (2117, 4719), (2409, 4147), (2847, 3509)]