15221195

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 20333040

約数和(自身を除く): 5111845

約数列:

[1, 5, 11, 55, 121, 139, 181, 605, 695, 905, 1529, 1991, 7645, 9955, 16819, 21901, 25159, 84095, 109505, 125795, 276749, 1383745, 3044239, 15221195]

約数ペア:

[(1, 15221195), (5, 3044239), (11, 1383745), (55, 276749), (121, 125795), (139, 109505), (181, 84095), (605, 25159), (695, 21901), (905, 16819), (1529, 9955), (1991, 7645)]