27400761

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{7867}}^1$

素因数の和:7922

約数の個数: 20

約数和(自身を含む): 41889232

約数和(自身を除く): 14488471

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 7867, 23601, 70803, 212409, 338281, 637227, 1014843, 3044529, 9133587, 27400761]

約数ペア:

[(1, 27400761), (3, 9133587), (9, 3044529), (27, 1014843), (43, 637227), (81, 338281), (129, 212409), (387, 70803), (1161, 23601), (3483, 7867)]