11011221

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{10457}}^1$

素因数の和:10482

約数の個数: 20

約数和(自身を含む): 17715852

約数和(自身を除く): 6704631

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 10457, 31371, 94113, 135941, 282339, 407823, 847017, 1223469, 3670407, 11011221]

約数ペア:

[(1, 11011221), (3, 3670407), (9, 1223469), (13, 847017), (27, 407823), (39, 282339), (81, 135941), (117, 94113), (351, 31371), (1053, 10457)]