201043395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{638233}}^1$

素因数の和:638251

約数の個数: 24

約数和(自身を含む): 398258016

約数和(自身を除く): 197214621

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 638233, 1914699, 3191165, 4467631, 5744097, 9573495, 13402893, 22338155, 28720485, 40208679, 67014465, 201043395]

約数ペア:

[(1, 201043395), (3, 67014465), (5, 40208679), (7, 28720485), (9, 22338155), (15, 13402893), (21, 9573495), (35, 5744097), (45, 4467631), (63, 3191165), (105, 1914699), (315, 638233)]