256897791

素因数分解:

$3^3\times {\mathrm{757}}^1\times {\mathrm{12569}}^1$

素因数の和:13335

約数の個数: 16

約数和(自身を含む): 381122400

約数和(自身を除く): 124224609

約数列:

[1, 3, 9, 27, 757, 2271, 6813, 12569, 20439, 37707, 113121, 339363, 9514733, 28544199, 85632597, 256897791]

約数ペア:

[(1, 256897791), (3, 85632597), (9, 28544199), (27, 9514733), (757, 339363), (2271, 113121), (6813, 37707), (12569, 20439)]