1311035

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{197}}^1$

素因数の和:235

約数の個数: 16

約数和(自身を含む): 1739232

約数和(自身を除く): 428197

約数列:

[1, 5, 11, 55, 121, 197, 605, 985, 1331, 2167, 6655, 10835, 23837, 119185, 262207, 1311035]

約数ペア:

[(1, 1311035), (5, 262207), (11, 119185), (55, 23837), (121, 10835), (197, 6655), (605, 2167), (985, 1331)]