17954973

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1058

約数の個数: 32

約数和(自身を含む): 28742400

約数和(自身を除く): 10787427

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 997, 2001, 2991, 6003, 8973, 18009, 22931, 26919, 28913, 68793, 86739, 206379, 260217, 619137, 664999, 780651, 1994997, 5984991, 17954973]

約数ペア:

[(1, 17954973), (3, 5984991), (9, 1994997), (23, 780651), (27, 664999), (29, 619137), (69, 260217), (87, 206379), (207, 86739), (261, 68793), (621, 28913), (667, 26919), (783, 22931), (997, 18009), (2001, 8973), (2991, 6003)]