684255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:72

約数の個数: 48

約数和(自身を含む): 1340640

約数和(自身を除く): 656385

約数列:

[1, 3, 5, 11, 13, 15, 29, 33, 39, 55, 65, 87, 121, 143, 145, 165, 195, 319, 363, 377, 429, 435, 605, 715, 957, 1131, 1573, 1595, 1815, 1885, 2145, 3509, 4147, 4719, 4785, 5655, 7865, 10527, 12441, 17545, 20735, 23595, 45617, 52635, 62205, 136851, 228085, 684255]

約数ペア:

[(1, 684255), (3, 228085), (5, 136851), (11, 62205), (13, 52635), (15, 45617), (29, 23595), (33, 20735), (39, 17545), (55, 12441), (65, 10527), (87, 7865), (121, 5655), (143, 4785), (145, 4719), (165, 4147), (195, 3509), (319, 2145), (363, 1885), (377, 1815), (429, 1595), (435, 1573), (605, 1131), (715, 957)]