28561953

素因数分解:

$3^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 45561600

約数和(自身を除く): 16999647

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 343, 677, 861, 1029, 2009, 2031, 4739, 6027, 14063, 14217, 27757, 33173, 42189, 83271, 99519, 194299, 232211, 582897, 696633, 1360093, 4080279, 9520651, 28561953]

約数ペア:

[(1, 28561953), (3, 9520651), (7, 4080279), (21, 1360093), (41, 696633), (49, 582897), (123, 232211), (147, 194299), (287, 99519), (343, 83271), (677, 42189), (861, 33173), (1029, 27757), (2009, 14217), (2031, 14063), (4739, 6027)]