13220745

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{38321}}^1$

素因数の和:38352

約数の個数: 16

約数和(自身を含む): 22073472

約数和(自身を除く): 8852727

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 38321, 114963, 191605, 574815, 881383, 2644149, 4406915, 13220745]

約数ペア:

[(1, 13220745), (3, 4406915), (5, 2644149), (15, 881383), (23, 574815), (69, 191605), (115, 114963), (345, 38321)]