31785309

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{691}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 48578400

約数和(自身を除く): 16793091

約数列:

[1, 3, 9, 19, 57, 171, 269, 691, 807, 2073, 2421, 5111, 6219, 13129, 15333, 39387, 45999, 118161, 185879, 557637, 1672911, 3531701, 10595103, 31785309]

約数ペア:

[(1, 31785309), (3, 10595103), (9, 3531701), (19, 1672911), (57, 557637), (171, 185879), (269, 118161), (691, 45999), (807, 39387), (2073, 15333), (2421, 13129), (5111, 6219)]