2019080721

素因数分解:

$3^1\times 7^2\times {\mathrm{13735243}}^1$

素因数の和:13735260

約数の個数: 12

約数和(自身を含む): 3131635632

約数和(自身を除く): 1112554911

約数列:

[1, 3, 7, 21, 49, 147, 13735243, 41205729, 96146701, 288440103, 673026907, 2019080721]

約数ペア:

[(1, 2019080721), (3, 673026907), (7, 288440103), (21, 96146701), (49, 41205729), (147, 13735243)]