13000221

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4831}}^1$

素因数の和:4873

約数の個数: 24

約数和(自身を含む): 21106176

約数和(自身を除く): 8105955

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 4831, 14493, 43479, 62803, 111113, 188409, 333339, 565227, 1000017, 1444469, 4333407, 13000221]

約数ペア:

[(1, 13000221), (3, 4333407), (9, 1444469), (13, 1000017), (23, 565227), (39, 333339), (69, 188409), (117, 111113), (207, 62803), (299, 43479), (897, 14493), (2691, 4831)]