219801981

素因数分解:

$3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{23627}}^1$

素因数の和:24080

約数の個数: 16

約数和(自身を含む): 335706624

約数和(自身を除く): 115904643

約数列:

[1, 3, 7, 21, 443, 1329, 3101, 9303, 23627, 70881, 165389, 496167, 10466761, 31400283, 73267327, 219801981]

約数ペア:

[(1, 219801981), (3, 73267327), (7, 31400283), (21, 10466761), (443, 496167), (1329, 165389), (3101, 70881), (9303, 23627)]