1243215

素因数分解:

$3^3\times 5^1\times {\mathrm{9209}}^1$

素因数の和:9223

約数の個数: 16

約数和(自身を含む): 2210400

約数和(自身を除く): 967185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 9209, 27627, 46045, 82881, 138135, 248643, 414405, 1243215]

約数ペア:

[(1, 1243215), (3, 414405), (5, 248643), (9, 138135), (15, 82881), (27, 46045), (45, 27627), (135, 9209)]