31219527

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 45745920

約数和(自身を除く): 14526393

約数列:

[1, 3, 19, 37, 57, 111, 113, 131, 339, 393, 703, 2109, 2147, 2489, 4181, 4847, 6441, 7467, 12543, 14541, 14803, 44409, 79439, 92093, 238317, 276279, 281257, 547711, 843771, 1643133, 10406509, 31219527]

約数ペア:

[(1, 31219527), (3, 10406509), (19, 1643133), (37, 843771), (57, 547711), (111, 281257), (113, 276279), (131, 238317), (339, 92093), (393, 79439), (703, 44409), (2109, 14803), (2147, 14541), (2489, 12543), (4181, 7467), (4847, 6441)]