20195109

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 33022080

約数和(自身を除く): 12826971

約数列:

[1, 3, 9, 11, 27, 33, 97, 99, 291, 297, 701, 873, 1067, 2103, 2619, 3201, 6309, 7711, 9603, 18927, 23133, 28809, 67997, 69399, 203991, 208197, 611973, 747967, 1835919, 2243901, 6731703, 20195109]

約数ペア:

[(1, 20195109), (3, 6731703), (9, 2243901), (11, 1835919), (27, 747967), (33, 611973), (97, 208197), (99, 203991), (291, 69399), (297, 67997), (701, 28809), (873, 23133), (1067, 18927), (2103, 9603), (2619, 7711), (3201, 6309)]