220389477

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{954067}}^1$

素因数の和:954088

約数の個数: 16

約数和(自身を含む): 366362112

約数和(自身を除く): 145972635

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 954067, 2862201, 6678469, 10494737, 20035407, 31484211, 73463159, 220389477]

約数ペア:

[(1, 220389477), (3, 73463159), (7, 31484211), (11, 20035407), (21, 10494737), (33, 6678469), (77, 2862201), (231, 954067)]