2867221

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:292

約数の個数: 16

約数和(自身を含む): 3447808

約数和(自身を除く): 580587

約数列:

[1, 7, 31, 73, 181, 217, 511, 1267, 2263, 5611, 13213, 15841, 39277, 92491, 409603, 2867221]

約数ペア:

[(1, 2867221), (7, 409603), (31, 92491), (73, 39277), (181, 15841), (217, 13213), (511, 5611), (1267, 2263)]