215179391

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{17377}}^1$

素因数の和:17474

約数の個数: 16

約数和(自身を含む): 258584640

約数和(自身を除く): 43405249

約数列:

[1, 7, 29, 61, 203, 427, 1769, 12383, 17377, 121639, 503933, 1059997, 3527531, 7419979, 30739913, 215179391]

約数ペア:

[(1, 215179391), (7, 30739913), (29, 7419979), (61, 3527531), (203, 1059997), (427, 503933), (1769, 121639), (12383, 17377)]