7678713

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 12559104

約数和(自身を除く): 4880391

約数列:

[1, 3, 7, 17, 21, 51, 119, 137, 157, 357, 411, 471, 959, 1099, 2329, 2669, 2877, 3297, 6987, 8007, 16303, 18683, 21509, 48909, 56049, 64527, 150563, 365653, 451689, 1096959, 2559571, 7678713]

約数ペア:

[(1, 7678713), (3, 2559571), (7, 1096959), (17, 451689), (21, 365653), (51, 150563), (119, 64527), (137, 56049), (157, 48909), (357, 21509), (411, 18683), (471, 16303), (959, 8007), (1099, 6987), (2329, 3297), (2669, 2877)]