78047151

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{40841}}^1$

素因数の和:40871

約数の個数: 24

約数和(自身を含む): 130367664

約数和(自身を除く): 52320513

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 40841, 122523, 285887, 530933, 857661, 1592799, 2001209, 3716531, 6003627, 11149593, 26015717, 78047151]

約数ペア:

[(1, 78047151), (3, 26015717), (7, 11149593), (13, 6003627), (21, 3716531), (39, 2001209), (49, 1592799), (91, 857661), (147, 530933), (273, 285887), (637, 122523), (1911, 40841)]