1309231

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{347}}^1$

素因数の和:379

約数の個数: 16

約数和(自身を含む): 1670400

約数和(自身を除く): 361169

約数列:

[1, 7, 11, 49, 77, 343, 347, 539, 2429, 3773, 3817, 17003, 26719, 119021, 187033, 1309231]

約数ペア:

[(1, 1309231), (7, 187033), (11, 119021), (49, 26719), (77, 17003), (343, 3817), (347, 3773), (539, 2429)]