2015997543

素因数分解:

$3^2\times 7^2\times {\mathrm{4571423}}^1$

素因数の和:4571443

約数の個数: 18

約数和(自身を含む): 3387425184

約数和(自身を除く): 1371427641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4571423, 13714269, 31999961, 41142807, 95999883, 223999727, 287999649, 671999181, 2015997543]

約数ペア:

[(1, 2015997543), (3, 671999181), (7, 287999649), (9, 223999727), (21, 95999883), (49, 41142807), (63, 31999961), (147, 13714269), (441, 4571423)]