1339983

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:316

約数の個数: 20

約数和(自身を含む): 2038608

約数和(自身を除く): 698625

約数列:

[1, 3, 9, 27, 71, 81, 213, 233, 639, 699, 1917, 2097, 5751, 6291, 16543, 18873, 49629, 148887, 446661, 1339983]

約数ペア:

[(1, 1339983), (3, 446661), (9, 148887), (27, 49629), (71, 18873), (81, 16543), (213, 6291), (233, 5751), (639, 2097), (699, 1917)]