28620471

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 43554816

約数和(自身を除く): 14934345

約数列:

[1, 3, 11, 31, 33, 93, 101, 277, 303, 341, 831, 1023, 1111, 3047, 3131, 3333, 8587, 9141, 9393, 25761, 27977, 34441, 83931, 94457, 103323, 283371, 307747, 867287, 923241, 2601861, 9540157, 28620471]

約数ペア:

[(1, 28620471), (3, 9540157), (11, 2601861), (31, 923241), (33, 867287), (93, 307747), (101, 283371), (277, 103323), (303, 94457), (341, 83931), (831, 34441), (1023, 27977), (1111, 25761), (3047, 9393), (3131, 9141), (3333, 8587)]