28754481

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{18757}}^1$

素因数の和:18840

約数の個数: 16

約数和(自身を含む): 44418944

約数和(自身を除く): 15664463

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 18757, 56271, 131299, 393897, 1369261, 4107783, 9584827, 28754481]

約数ペア:

[(1, 28754481), (3, 9584827), (7, 4107783), (21, 1369261), (73, 393897), (219, 131299), (511, 56271), (1533, 18757)]