788479731

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 1306166400

約数和(自身を除く): 517686669

約数列:

[1, 3, 9, 13, 27, 37, 39, 109, 111, 117, 327, 333, 351, 481, 557, 981, 999, 1417, 1443, 1671, 2943, 4033, 4251, 4329, 5013, 7241, 12099, 12753, 12987, 15039, 20609, 21723, 36297, 38259, 52429, 60713, 61827, 65169, 108891, 157287, 182139, 185481, 195507, 267917, 471861, 546417, 556443, 789269, 803751, 1415583, 1639251, 2246381, 2367807, 2411253, 6739143, 7103421, 7233759, 20217429, 21310263, 29202953, 60652287, 87608859, 262826577, 788479731]

約数ペア:

[(1, 788479731), (3, 262826577), (9, 87608859), (13, 60652287), (27, 29202953), (37, 21310263), (39, 20217429), (109, 7233759), (111, 7103421), (117, 6739143), (327, 2411253), (333, 2367807), (351, 2246381), (481, 1639251), (557, 1415583), (981, 803751), (999, 789269), (1417, 556443), (1443, 546417), (1671, 471861), (2943, 267917), (4033, 195507), (4251, 185481), (4329, 182139), (5013, 157287), (7241, 108891), (12099, 65169), (12753, 61827), (12987, 60713), (15039, 52429), (20609, 38259), (21723, 36297)]