21525123

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1259}}^1$

素因数の和:1442

約数の個数: 16

約数和(自身を含む): 29635200

約数和(自身を除く): 8110077

約数列:

[1, 3, 41, 123, 139, 417, 1259, 3777, 5699, 17097, 51619, 154857, 175001, 525003, 7175041, 21525123]

約数ペア:

[(1, 21525123), (3, 7175041), (41, 525003), (123, 175001), (139, 154857), (417, 51619), (1259, 17097), (3777, 5699)]