18707085

素因数分解:

$3^3\times 5^1\times {\mathrm{138571}}^1$

素因数の和:138585

約数の個数: 16

約数和(自身を含む): 33257280

約数和(自身を除く): 14550195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 138571, 415713, 692855, 1247139, 2078565, 3741417, 6235695, 18707085]

約数ペア:

[(1, 18707085), (3, 6235695), (5, 3741417), (9, 2078565), (15, 1247139), (27, 692855), (45, 415713), (135, 138571)]