2021243025

素因数分解:

$3^1\times 5^2\times {\mathrm{997}}^1\times {\mathrm{27031}}^1$

素因数の和:28041

約数の個数: 24

約数和(自身を含む): 3345264064

約数和(自身を除く): 1324021039

約数列:

[1, 3, 5, 15, 25, 75, 997, 2991, 4985, 14955, 24925, 27031, 74775, 81093, 135155, 405465, 675775, 2027325, 26949907, 80849721, 134749535, 404248605, 673747675, 2021243025]

約数ペア:

[(1, 2021243025), (3, 673747675), (5, 404248605), (15, 134749535), (25, 80849721), (75, 26949907), (997, 2027325), (2991, 675775), (4985, 405465), (14955, 135155), (24925, 81093), (27031, 74775)]