20161229696769

素因数分解:

$3^1\times 7^2\times {\mathrm{377851}}^1\times {\mathrm{362977}}^1$

素因数の和:740845

約数の個数: 24

約数和(自身を含む): 31270647622368

約数和(自身を除く): 11109417925599

約数列:

[1, 3, 7, 21, 49, 147, 362977, 377851, 1088931, 1133553, 2540839, 2644957, 7622517, 7934871, 17785873, 18514699, 53357619, 55544097, 137151222427, 411453667281, 960058556989, 2880175670967, 6720409898923, 20161229696769]

約数ペア:

[(1, 20161229696769), (3, 6720409898923), (7, 2880175670967), (21, 960058556989), (49, 411453667281), (147, 137151222427), (362977, 55544097), (377851, 53357619), (1088931, 18514699), (1133553, 17785873), (2540839, 7934871), (2644957, 7622517)]