216222591

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{17713}}^1$

素因数の和:18042

約数の個数: 16

約数和(自身を含む): 311482976

約数和(自身を除く): 95260385

約数列:

[1, 3, 13, 39, 313, 939, 4069, 12207, 17713, 53139, 230269, 690807, 5544169, 16632507, 72074197, 216222591]

約数ペア:

[(1, 216222591), (3, 72074197), (13, 16632507), (39, 5544169), (313, 690807), (939, 230269), (4069, 53139), (12207, 17713)]