26239221

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{7901}}^1$

素因数の和:7954

約数の個数: 20

約数和(自身を含む): 40157964

約数和(自身を除く): 13918743

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 7901, 23703, 71109, 213327, 323941, 639981, 971823, 2915469, 8746407, 26239221]

約数ペア:

[(1, 26239221), (3, 8746407), (9, 2915469), (27, 971823), (41, 639981), (81, 323941), (123, 213327), (369, 71109), (1107, 23703), (3321, 7901)]