28341243

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1289}}^1$

素因数の和:1651

約数の個数: 24

約数和(自身を含む): 46956000

約数和(自身を除く): 18614757

約数列:

[1, 3, 7, 9, 21, 63, 349, 1047, 1289, 2443, 3141, 3867, 7329, 9023, 11601, 21987, 27069, 81207, 449861, 1349583, 3149027, 4048749, 9447081, 28341243]

約数ペア:

[(1, 28341243), (3, 9447081), (7, 4048749), (9, 3149027), (21, 1349583), (63, 449861), (349, 81207), (1047, 27069), (1289, 21987), (2443, 11601), (3141, 9023), (3867, 7329)]