18904401

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{7867}}^1$

素因数の和:7965

約数の個数: 16

約数和(自身を含む): 28324800

約数和(自身を除く): 9420399

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 7867, 23601, 70803, 212409, 700163, 2100489, 6301467, 18904401]

約数ペア:

[(1, 18904401), (3, 6301467), (9, 2100489), (27, 700163), (89, 212409), (267, 70803), (801, 23601), (2403, 7867)]