68837979

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 107467776

約数和(自身を除く): 38629797

約数列:

[1, 3, 7, 21, 71, 137, 213, 337, 411, 497, 959, 1011, 1491, 2359, 2877, 7077, 9727, 23927, 29181, 46169, 68089, 71781, 138507, 167489, 204267, 323183, 502467, 969549, 3277999, 9833997, 22945993, 68837979]

約数ペア:

[(1, 68837979), (3, 22945993), (7, 9833997), (21, 3277999), (71, 969549), (137, 502467), (213, 323183), (337, 204267), (411, 167489), (497, 138507), (959, 71781), (1011, 68089), (1491, 46169), (2359, 29181), (2877, 23927), (7077, 9727)]