25977906

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{20327}}^1$

素因数の和:20406

約数の個数: 24

約数和(自身を含む): 57081024

約数和(自身を除く): 31103118

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 20327, 40654, 60981, 121962, 182943, 365886, 1443217, 2886434, 4329651, 8659302, 12988953, 25977906]

約数ペア:

[(1, 25977906), (2, 12988953), (3, 8659302), (6, 4329651), (9, 2886434), (18, 1443217), (71, 365886), (142, 182943), (213, 121962), (426, 60981), (639, 40654), (1278, 20327)]