213599085

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{290611}}^1$

素因数の和:290633

約数の個数: 24

約数和(自身を含む): 397557216

約数和(自身を除く): 183958131

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 290611, 871833, 1453055, 2034277, 4359165, 6102831, 10171385, 14239939, 30514155, 42719817, 71199695, 213599085]

約数ペア:

[(1, 213599085), (3, 71199695), (5, 42719817), (7, 30514155), (15, 14239939), (21, 10171385), (35, 6102831), (49, 4359165), (105, 2034277), (147, 1453055), (245, 871833), (735, 290611)]