13260219

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20369}}^1$

素因数の和:20410

約数の個数: 16

約数和(自身を含む): 20858880

約数和(自身を除く): 7598661

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 20369, 61107, 142583, 427749, 631439, 1894317, 4420073, 13260219]

約数ペア:

[(1, 13260219), (3, 4420073), (7, 1894317), (21, 631439), (31, 427749), (93, 142583), (217, 61107), (651, 20369)]