217439679

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1\times {\mathrm{2311}}^1$

素因数の和:2790

約数の個数: 16

約数和(自身を含む): 294456320

約数和(自身を除く): 77016641

約数列:

[1, 3, 79, 237, 397, 1191, 2311, 6933, 31363, 94089, 182569, 547707, 917467, 2752401, 72479893, 217439679]

約数ペア:

[(1, 217439679), (3, 72479893), (79, 2752401), (237, 917467), (397, 547707), (1191, 182569), (2311, 94089), (6933, 31363)]