210880971

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{196901}}^1$

素因数の和:196931

約数の個数: 24

約数和(自身を含む): 368600544

約数和(自身を除く): 157719573

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 196901, 590703, 1378307, 1772109, 3347317, 4134921, 10041951, 12404763, 23431219, 30125853, 70293657, 210880971]

約数ペア:

[(1, 210880971), (3, 70293657), (7, 30125853), (9, 23431219), (17, 12404763), (21, 10041951), (51, 4134921), (63, 3347317), (119, 1772109), (153, 1378307), (357, 590703), (1071, 196901)]