220171833

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{8803}}^1$

素因数の和:9213

約数の個数: 24

約数和(自身を含む): 364415168

約数和(自身を除く): 144243335

約数列:

[1, 3, 7, 9, 21, 63, 397, 1191, 2779, 3573, 8337, 8803, 25011, 26409, 61621, 79227, 184863, 554589, 3494791, 10484373, 24463537, 31453119, 73390611, 220171833]

約数ペア:

[(1, 220171833), (3, 73390611), (7, 31453119), (9, 24463537), (21, 10484373), (63, 3494791), (397, 554589), (1191, 184863), (2779, 79227), (3573, 61621), (8337, 26409), (8803, 25011)]