80201907

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 131040000

約数和(自身を除く): 50838093

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 243, 261, 513, 551, 599, 783, 1539, 1653, 1797, 2349, 4617, 4959, 5391, 7047, 11381, 14877, 16173, 17371, 34143, 44631, 48519, 52113, 102429, 133893, 145557, 156339, 307287, 330049, 469017, 921861, 990147, 1407051, 2765583, 2970441, 4221153, 8911323, 26733969, 80201907]

約数ペア:

[(1, 80201907), (3, 26733969), (9, 8911323), (19, 4221153), (27, 2970441), (29, 2765583), (57, 1407051), (81, 990147), (87, 921861), (171, 469017), (243, 330049), (261, 307287), (513, 156339), (551, 145557), (599, 133893), (783, 102429), (1539, 52113), (1653, 48519), (1797, 44631), (2349, 34143), (4617, 17371), (4959, 16173), (5391, 14877), (7047, 11381)]