12220719

素因数分解:

$3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1621}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 18685440

約数和(自身を除く): 6464721

約数列:

[1, 3, 7, 21, 359, 1077, 1621, 2513, 4863, 7539, 11347, 34041, 581939, 1745817, 4073573, 12220719]

約数ペア:

[(1, 12220719), (3, 4073573), (7, 1745817), (21, 581939), (359, 34041), (1077, 11347), (1621, 7539), (2513, 4863)]