28801221

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{5879}}^1$

素因数の和:5976

約数の個数: 16

約数和(自身を含む): 40642560

約数和(自身を除く): 11841339

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4899, 5879, 17637, 135217, 405651, 417409, 1252227, 9600407, 28801221]

約数ペア:

[(1, 28801221), (3, 9600407), (23, 1252227), (69, 417409), (71, 405651), (213, 135217), (1633, 17637), (4899, 5879)]