42972405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{409261}}^1$

素因数の和:409276

約数の個数: 16

約数和(自身を含む): 78578304

約数和(自身を除く): 35605899

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 409261, 1227783, 2046305, 2864827, 6138915, 8594481, 14324135, 42972405]

約数ペア:

[(1, 42972405), (3, 14324135), (5, 8594481), (7, 6138915), (15, 2864827), (21, 2046305), (35, 1227783), (105, 409261)]