26891973

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 43891200

約数和(自身を除く): 16999227

約数列:

[1, 3, 9, 19, 27, 31, 57, 89, 93, 171, 267, 279, 361, 513, 589, 801, 837, 1083, 1691, 1767, 2403, 2759, 3249, 5073, 5301, 8277, 9747, 11191, 15219, 15903, 24831, 32129, 33573, 45657, 52421, 74493, 96387, 100719, 157263, 289161, 302157, 471789, 867483, 995999, 1415367, 2987997, 8963991, 26891973]

約数ペア:

[(1, 26891973), (3, 8963991), (9, 2987997), (19, 1415367), (27, 995999), (31, 867483), (57, 471789), (89, 302157), (93, 289161), (171, 157263), (267, 100719), (279, 96387), (361, 74493), (513, 52421), (589, 45657), (801, 33573), (837, 32129), (1083, 24831), (1691, 15903), (1767, 15219), (2403, 11191), (2759, 9747), (3249, 8277), (5073, 5301)]