201682215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{640261}}^1$

素因数の和:640279

約数の個数: 24

約数和(自身を含む): 399523488

約数和(自身を除く): 197841273

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 640261, 1920783, 3201305, 4481827, 5762349, 9603915, 13445481, 22409135, 28811745, 40336443, 67227405, 201682215]

約数ペア:

[(1, 201682215), (3, 67227405), (5, 40336443), (7, 28811745), (9, 22409135), (15, 13445481), (21, 9603915), (35, 5762349), (45, 4481827), (63, 3201305), (105, 1920783), (315, 640261)]