209228565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{153281}}^1$

素因数の和:153309

約数の個数: 32

約数和(自身を含む): 412022016

約数和(自身を除く): 202793451

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 153281, 459843, 766405, 1072967, 1992653, 2299215, 3218901, 5364835, 5977959, 9963265, 13948571, 16094505, 29889795, 41845713, 69742855, 209228565]

約数ペア:

[(1, 209228565), (3, 69742855), (5, 41845713), (7, 29889795), (13, 16094505), (15, 13948571), (21, 9963265), (35, 5977959), (39, 5364835), (65, 3218901), (91, 2299215), (105, 1992653), (195, 1072967), (273, 766405), (455, 459843), (1365, 153281)]