28840305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1129}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 50117760

約数和(自身を除く): 21277455

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 1129, 1703, 1965, 3387, 5109, 5645, 8515, 14677, 16935, 25545, 44031, 73385, 147899, 220155, 443697, 739495, 1922687, 2218485, 5768061, 9613435, 28840305]

約数ペア:

[(1, 28840305), (3, 9613435), (5, 5768061), (13, 2218485), (15, 1922687), (39, 739495), (65, 443697), (131, 220155), (195, 147899), (393, 73385), (655, 44031), (1129, 25545), (1703, 16935), (1965, 14677), (3387, 8515), (5109, 5645)]