86991807

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{5237}}^1$

素因数の和:5367

約数の個数: 24

約数和(自身を含む): 136146096

約数和(自身を除く): 49154289

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 2373, 5237, 5537, 15711, 16611, 36659, 109977, 256613, 591781, 769839, 1775343, 4142467, 12427401, 28997269, 86991807]

約数ペア:

[(1, 86991807), (3, 28997269), (7, 12427401), (21, 4142467), (49, 1775343), (113, 769839), (147, 591781), (339, 256613), (791, 109977), (2373, 36659), (5237, 16611), (5537, 15711)]