19921209

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{86239}}^1$

素因数の和:86260

約数の個数: 16

約数和(自身を含む): 33116160

約数和(自身を除く): 13194951

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 86239, 258717, 603673, 948629, 1811019, 2845887, 6640403, 19921209]

約数ペア:

[(1, 19921209), (3, 6640403), (7, 2845887), (11, 1811019), (21, 948629), (33, 603673), (77, 258717), (231, 86239)]