15615315

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1123}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 28055040

約数和(自身を除く): 12439725

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1123, 1545, 2781, 3369, 4635, 5615, 10107, 13905, 16845, 30321, 50535, 115669, 151605, 347007, 578345, 1041021, 1735035, 3123063, 5205105, 15615315]

約数ペア:

[(1, 15615315), (3, 5205105), (5, 3123063), (9, 1735035), (15, 1041021), (27, 578345), (45, 347007), (103, 151605), (135, 115669), (309, 50535), (515, 30321), (927, 16845), (1123, 13905), (1545, 10107), (2781, 5615), (3369, 4635)]