72728565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53281}}^1$

素因数の和:53309

約数の個数: 32

約数和(自身を含む): 143222016

約数和(自身を除く): 70493451

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 53281, 159843, 266405, 372967, 692653, 799215, 1118901, 1864835, 2077959, 3463265, 4848571, 5594505, 10389795, 14545713, 24242855, 72728565]

約数ペア:

[(1, 72728565), (3, 24242855), (5, 14545713), (7, 10389795), (13, 5594505), (15, 4848571), (21, 3463265), (35, 2077959), (39, 1864835), (65, 1118901), (91, 799215), (105, 692653), (195, 372967), (273, 266405), (455, 159843), (1365, 53281)]