201065445

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{638303}}^1$

素因数の和:638321

約数の個数: 24

約数和(自身を含む): 398301696

約数和(自身を除く): 197236251

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 638303, 1914909, 3191515, 4468121, 5744727, 9574545, 13404363, 22340605, 28723635, 40213089, 67021815, 201065445]

約数ペア:

[(1, 201065445), (3, 67021815), (5, 40213089), (7, 28723635), (9, 22340605), (15, 13404363), (21, 9574545), (35, 5744727), (45, 4468121), (63, 3191515), (105, 1914909), (315, 638303)]