398940921

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{26881}}^1$

素因数の和:27001

約数の個数: 24

約数和(自身を含む): 616458024

約数和(自身を除く): 217517103

約数列:

[1, 3, 9, 17, 51, 97, 153, 291, 873, 1649, 4947, 14841, 26881, 80643, 241929, 456977, 1370931, 2607457, 4112793, 7822371, 23467113, 44326769, 132980307, 398940921]

約数ペア:

[(1, 398940921), (3, 132980307), (9, 44326769), (17, 23467113), (51, 7822371), (97, 4112793), (153, 2607457), (291, 1370931), (873, 456977), (1649, 241929), (4947, 80643), (14841, 26881)]