201721465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{22501}}^1$

素因数の和:22680

約数の個数: 16

約数和(自身を含む): 265703616

約数和(自身を除く): 63982151

約数列:

[1, 5, 11, 55, 163, 815, 1793, 8965, 22501, 112505, 247511, 1237555, 3667663, 18338315, 40344293, 201721465]

約数ペア:

[(1, 201721465), (5, 40344293), (11, 18338315), (55, 3667663), (163, 1237555), (815, 247511), (1793, 112505), (8965, 22501)]