71261889

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 103194624

約数和(自身を除く): 31932735

約数列:

[1, 3, 23, 37, 69, 103, 111, 271, 309, 813, 851, 2369, 2553, 3811, 6233, 7107, 10027, 11433, 18699, 27913, 30081, 83739, 87653, 230621, 262959, 641999, 691863, 1032781, 1925997, 3098343, 23753963, 71261889]

約数ペア:

[(1, 71261889), (3, 23753963), (23, 3098343), (37, 1925997), (69, 1032781), (103, 691863), (111, 641999), (271, 262959), (309, 230621), (813, 87653), (851, 83739), (2369, 30081), (2553, 27913), (3811, 18699), (6233, 11433), (7107, 10027)]