31008789

素因数分解:

$3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{967}}^1$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 51342720

約数和(自身を除く): 20333931

約数列:

[1, 3, 7, 9, 21, 63, 509, 967, 1527, 2901, 3563, 4581, 6769, 8703, 10689, 20307, 32067, 60921, 492203, 1476609, 3445421, 4429827, 10336263, 31008789]

約数ペア:

[(1, 31008789), (3, 10336263), (7, 4429827), (9, 3445421), (21, 1476609), (63, 492203), (509, 60921), (967, 32067), (1527, 20307), (2901, 10689), (3563, 8703), (4581, 6769)]