81736221

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{228953}}^1$

素因数の和:228980

約数の個数: 16

約数和(自身を含む): 131877504

約数和(自身を除く): 50141283

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 228953, 686859, 1602671, 3892201, 4808013, 11676603, 27245407, 81736221]

約数ペア:

[(1, 81736221), (3, 27245407), (7, 11676603), (17, 4808013), (21, 3892201), (51, 1602671), (119, 686859), (357, 228953)]