287373317

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{120391}}^1$

素因数の和:120440

約数の個数: 16

約数和(自身を含む): 369844224

約数和(自身を除く): 82470907

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 120391, 842737, 1324301, 3732121, 9270107, 26124847, 41053331, 287373317]

約数ペア:

[(1, 287373317), (7, 41053331), (11, 26124847), (31, 9270107), (77, 3732121), (217, 1324301), (341, 842737), (2387, 120391)]