81239418

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{347177}}^1$

素因数の和:347198

約数の個数: 24

約数和(自身を含む): 189559188

約数和(自身を除く): 108319770

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 347177, 694354, 1041531, 2083062, 3124593, 4513301, 6249186, 9026602, 13539903, 27079806, 40619709, 81239418]

約数ペア:

[(1, 81239418), (2, 40619709), (3, 27079806), (6, 13539903), (9, 9026602), (13, 6249186), (18, 4513301), (26, 3124593), (39, 2083062), (78, 1041531), (117, 694354), (234, 347177)]