64581057

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1447}}^1$

素因数の和:1507

約数の個数: 40

約数和(自身を含む): 105124800

約数和(自身を除く): 40543743

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 261, 513, 551, 783, 1447, 1539, 1653, 2349, 4341, 4959, 13023, 14877, 27493, 39069, 41963, 44631, 82479, 117207, 125889, 247437, 377667, 742311, 797297, 1133001, 2226933, 2391891, 3399003, 7175673, 21527019, 64581057]

約数ペア:

[(1, 64581057), (3, 21527019), (9, 7175673), (19, 3399003), (27, 2391891), (29, 2226933), (57, 1133001), (81, 797297), (87, 742311), (171, 377667), (261, 247437), (513, 125889), (551, 117207), (783, 82479), (1447, 44631), (1539, 41963), (1653, 39069), (2349, 27493), (4341, 14877), (4959, 13023)]