66867645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2503}}^1$

素因数の和:2661

約数の個数: 32

約数和(自身を含む): 116105472

約数和(自身を除く): 49237827

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1781, 2055, 2503, 5343, 7509, 8905, 12515, 26715, 32539, 37545, 97617, 162695, 342911, 488085, 1028733, 1714555, 4457843, 5143665, 13373529, 22289215, 66867645]

約数ペア:

[(1, 66867645), (3, 22289215), (5, 13373529), (13, 5143665), (15, 4457843), (39, 1714555), (65, 1028733), (137, 488085), (195, 342911), (411, 162695), (685, 97617), (1781, 37545), (2055, 32539), (2503, 26715), (5343, 12515), (7509, 8905)]