28881255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11393}}^1$

素因数の和:11427

約数の個数: 24

約数和(自身を含む): 50042448

約数和(自身を除く): 21161193

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 11393, 34179, 56965, 148109, 170895, 444327, 740545, 1925417, 2221635, 5776251, 9627085, 28881255]

約数ペア:

[(1, 28881255), (3, 9627085), (5, 5776251), (13, 2221635), (15, 1925417), (39, 740545), (65, 444327), (169, 170895), (195, 148109), (507, 56965), (845, 34179), (2535, 11393)]