201367845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{639263}}^1$

素因数の和:639281

約数の個数: 24

約数和(自身を含む): 398900736

約数和(自身を除く): 197532891

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 639263, 1917789, 3196315, 4474841, 5753367, 9588945, 13424523, 22374205, 28766835, 40273569, 67122615, 201367845]

約数ペア:

[(1, 201367845), (3, 67122615), (5, 40273569), (7, 28766835), (9, 22374205), (15, 13424523), (21, 9588945), (35, 5753367), (45, 4474841), (63, 3196315), (105, 1917789), (315, 639263)]