28786485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21089}}^1$

素因数の和:21117

約数の個数: 32

約数和(自身を含む): 56689920

約数和(自身を除く): 27903435

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 21089, 63267, 105445, 147623, 274157, 316335, 442869, 738115, 822471, 1370785, 1919099, 2214345, 4112355, 5757297, 9595495, 28786485]

約数ペア:

[(1, 28786485), (3, 9595495), (5, 5757297), (7, 4112355), (13, 2214345), (15, 1919099), (21, 1370785), (35, 822471), (39, 738115), (65, 442869), (91, 316335), (105, 274157), (195, 147623), (273, 105445), (455, 63267), (1365, 21089)]