68310879

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 121927680

約数和(自身を除く): 53616801

約数列:

[1, 3, 7, 13, 17, 21, 39, 41, 51, 91, 119, 123, 221, 273, 287, 357, 359, 533, 663, 697, 861, 1077, 1547, 1599, 2091, 2513, 3731, 4641, 4667, 4879, 6103, 7539, 9061, 11193, 14001, 14637, 14719, 18309, 27183, 32669, 42721, 44157, 63427, 79339, 98007, 103033, 128163, 190281, 191347, 238017, 250223, 309099, 555373, 574041, 750669, 1339429, 1666119, 1751561, 3252899, 4018287, 5254683, 9758697, 22770293, 68310879]

約数ペア:

[(1, 68310879), (3, 22770293), (7, 9758697), (13, 5254683), (17, 4018287), (21, 3252899), (39, 1751561), (41, 1666119), (51, 1339429), (91, 750669), (119, 574041), (123, 555373), (221, 309099), (273, 250223), (287, 238017), (357, 191347), (359, 190281), (533, 128163), (663, 103033), (697, 98007), (861, 79339), (1077, 63427), (1547, 44157), (1599, 42721), (2091, 32669), (2513, 27183), (3731, 18309), (4641, 14719), (4667, 14637), (4879, 14001), (6103, 11193), (7539, 9061)]