66784305

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{90863}}^1$

素因数の和:90885

約数の個数: 24

約数和(自身を含む): 124301952

約数和(自身を除く): 57517647

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 90863, 272589, 454315, 636041, 1362945, 1908123, 3180205, 4452287, 9540615, 13356861, 22261435, 66784305]

約数ペア:

[(1, 66784305), (3, 22261435), (5, 13356861), (7, 9540615), (15, 4452287), (21, 3180205), (35, 1908123), (49, 1362945), (105, 636041), (147, 454315), (245, 272589), (735, 90863)]