28497651

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2221}}^1$

素因数の和:2291

約数の個数: 32

約数和(自身を含む): 47781888

約数和(自身を除く): 19284237

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 2221, 4277, 6663, 12831, 15547, 28873, 46641, 86619, 104387, 202111, 313161, 606333, 730709, 1357031, 2192127, 4071093, 9499217, 28497651]

約数ペア:

[(1, 28497651), (3, 9499217), (7, 4071093), (13, 2192127), (21, 1357031), (39, 730709), (47, 606333), (91, 313161), (141, 202111), (273, 104387), (329, 86619), (611, 46641), (987, 28873), (1833, 15547), (2221, 12831), (4277, 6663)]