2721641601

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1\times {\mathrm{1217}}^1$

素因数の和:2313

約数の個数: 32

約数和(自身を含む): 4193038080

約数和(自身を除く): 1471396479

約数列:

[1, 3, 7, 21, 109, 327, 763, 977, 1217, 2289, 2931, 3651, 6839, 8519, 20517, 25557, 106493, 132653, 319479, 397959, 745451, 928571, 1189009, 2236353, 2785713, 3567027, 8323063, 24969189, 129601981, 388805943, 907213867, 2721641601]

約数ペア:

[(1, 2721641601), (3, 907213867), (7, 388805943), (21, 129601981), (109, 24969189), (327, 8323063), (763, 3567027), (977, 2785713), (1217, 2236353), (2289, 1189009), (2931, 928571), (3651, 745451), (6839, 397959), (8519, 319479), (20517, 132653), (25557, 106493)]