81688691

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1217}}^1$

素因数の和:1490

約数の個数: 16

約数和(自身を含む): 96036864

約数和(自身を除く): 14348173

約数列:

[1, 7, 43, 223, 301, 1217, 1561, 8519, 9589, 52331, 67123, 271391, 366317, 1899737, 11669813, 81688691]

約数ペア:

[(1, 81688691), (7, 11669813), (43, 1899737), (223, 366317), (301, 271391), (1217, 67123), (1561, 52331), (8519, 9589)]