2981307

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1193}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 4900176

約数和(自身を除く): 1918869

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 1193, 2499, 3579, 8351, 20281, 25053, 58457, 60843, 141967, 175371, 425901, 993769, 2981307]

約数ペア:

[(1, 2981307), (3, 993769), (7, 425901), (17, 175371), (21, 141967), (49, 60843), (51, 58457), (119, 25053), (147, 20281), (357, 8351), (833, 3579), (1193, 2499)]