68826471

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 108103680

約数和(自身を除く): 39277209

約数列:

[1, 3, 7, 21, 47, 137, 141, 329, 411, 509, 959, 987, 1527, 2877, 3563, 6439, 10689, 19317, 23923, 45073, 69733, 71769, 135219, 167461, 209199, 488131, 502383, 1464393, 3277451, 9832353, 22942157, 68826471]

約数ペア:

[(1, 68826471), (3, 22942157), (7, 9832353), (21, 3277451), (47, 1464393), (137, 502383), (141, 488131), (329, 209199), (411, 167461), (509, 135219), (959, 71769), (987, 69733), (1527, 45073), (2877, 23923), (3563, 19317), (6439, 10689)]