13020915

素因数分解:

$3^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1103}}^1$

素因数の和:1898

約数の個数: 16

約数和(自身を含む): 20878848

約数和(自身を除く): 7857933

約数列:

[1, 3, 5, 15, 787, 1103, 2361, 3309, 3935, 5515, 11805, 16545, 868061, 2604183, 4340305, 13020915]

約数ペア:

[(1, 13020915), (3, 4340305), (5, 2604183), (15, 868061), (787, 16545), (1103, 11805), (2361, 5515), (3309, 3935)]