201227455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{21649}}^1$

素因数の和:21691

約数の個数: 24

約数和(自身を含む): 285260400

約数和(自身を除く): 84032945

約数列:

[1, 5, 11, 13, 55, 65, 143, 169, 715, 845, 1859, 9295, 21649, 108245, 238139, 281437, 1190695, 1407185, 3095807, 3658681, 15479035, 18293405, 40245491, 201227455]

約数ペア:

[(1, 201227455), (5, 40245491), (11, 18293405), (13, 15479035), (55, 3658681), (65, 3095807), (143, 1407185), (169, 1190695), (715, 281437), (845, 238139), (1859, 108245), (9295, 21649)]