31361481

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2887}}^1$

素因数の和:2981

約数の個数: 24

約数和(自身を含む): 48657024

約数和(自身を除く): 17295543

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 2887, 3621, 8661, 10863, 25983, 49079, 147237, 204977, 441711, 614931, 1844793, 3484609, 10453827, 31361481]

約数ペア:

[(1, 31361481), (3, 10453827), (9, 3484609), (17, 1844793), (51, 614931), (71, 441711), (153, 204977), (213, 147237), (639, 49079), (1207, 25983), (2887, 10863), (3621, 8661)]