253291317

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{19993}}^1$

素因数の和:20140

約数の個数: 16

約数和(自身を含む): 349335168

約数和(自身を除く): 96043851

約数列:

[1, 3, 41, 103, 123, 309, 4223, 12669, 19993, 59979, 819713, 2059279, 2459139, 6177837, 84430439, 253291317]

約数ペア:

[(1, 253291317), (3, 84430439), (41, 6177837), (103, 2459139), (123, 2059279), (309, 819713), (4223, 59979), (12669, 19993)]