7847889

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 12279168

約数和(自身を除く): 4431279

約数列:

[1, 3, 7, 21, 49, 147, 197, 271, 591, 813, 1379, 1897, 4137, 5691, 9653, 13279, 28959, 39837, 53387, 160161, 373709, 1121127, 2615963, 7847889]

約数ペア:

[(1, 7847889), (3, 2615963), (7, 1121127), (21, 373709), (49, 160161), (147, 53387), (197, 39837), (271, 28959), (591, 13279), (813, 9653), (1379, 5691), (1897, 4137)]