220191321

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{64327}}^1$

素因数の和:64500

約数の個数: 16

約数和(自身を含む): 337593344

約数和(自身を除く): 117402023

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 64327, 192981, 450289, 1350867, 10485301, 31455903, 73397107, 220191321]

約数ペア:

[(1, 220191321), (3, 73397107), (7, 31455903), (21, 10485301), (163, 1350867), (489, 450289), (1141, 192981), (3423, 64327)]