221490759

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{458573}}^1$

素因数の和:458606

約数の個数: 16

約数和(自身を含む): 352184832

約数和(自身を除く): 130694073

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 458573, 1375719, 3210011, 9630033, 10547179, 31641537, 73830253, 221490759]

約数ペア:

[(1, 221490759), (3, 73830253), (7, 31641537), (21, 10547179), (23, 9630033), (69, 3210011), (161, 1375719), (483, 458573)]