247738149

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{81199}}^1$

素因数の和:81321

約数の個数: 16

約数和(自身を含む): 370272000

約数和(自身を除く): 122533851

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 81199, 243597, 730791, 2192373, 9175487, 27526461, 82579383, 247738149]

約数ペア:

[(1, 247738149), (3, 82579383), (9, 27526461), (27, 9175487), (113, 2192373), (339, 730791), (1017, 243597), (3051, 81199)]