28296021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 14281899

約数列:

[1, 3, 13, 39, 43, 47, 129, 141, 359, 559, 611, 1077, 1677, 1833, 2021, 4667, 6063, 14001, 15437, 16873, 26273, 46311, 50619, 78819, 200681, 219349, 602043, 658047, 725539, 2176617, 9432007, 28296021]

約数ペア:

[(1, 28296021), (3, 9432007), (13, 2176617), (39, 725539), (43, 658047), (47, 602043), (129, 219349), (141, 200681), (359, 78819), (559, 50619), (611, 46311), (1077, 26273), (1677, 16873), (1833, 15437), (2021, 14001), (4667, 6063)]