720199215

素因数分解:

$3^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{10691}}^1$

素因数の和:11204

約数の個数: 32

約数和(自身を含む): 1283040000

約数和(自身を除く): 562840785

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 499, 1497, 2495, 4491, 7485, 10691, 13473, 22455, 32073, 53455, 67365, 96219, 160365, 288657, 481095, 1443285, 5334809, 16004427, 26674045, 48013281, 80022135, 144039843, 240066405, 720199215]

約数ペア:

[(1, 720199215), (3, 240066405), (5, 144039843), (9, 80022135), (15, 48013281), (27, 26674045), (45, 16004427), (135, 5334809), (499, 1443285), (1497, 481095), (2495, 288657), (4491, 160365), (7485, 96219), (10691, 67365), (13473, 53455), (22455, 32073)]