542717

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 16

約数和(自身を含む): 666624

約数和(自身を除く): 123907

約数列:

[1, 7, 31, 41, 61, 217, 287, 427, 1271, 1891, 2501, 8897, 13237, 17507, 77531, 542717]

約数ペア:

[(1, 542717), (7, 77531), (31, 17507), (41, 13237), (61, 8897), (217, 2501), (287, 1891), (427, 1271)]