15172065

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 27900288

約数和(自身を除く): 12728223

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 107, 115, 137, 207, 321, 345, 411, 535, 685, 963, 1035, 1233, 1605, 2055, 2461, 3151, 4815, 6165, 7383, 9453, 12305, 14659, 15755, 22149, 28359, 36915, 43977, 47265, 73295, 110745, 131931, 141795, 219885, 337157, 659655, 1011471, 1685785, 3034413, 5057355, 15172065]

約数ペア:

[(1, 15172065), (3, 5057355), (5, 3034413), (9, 1685785), (15, 1011471), (23, 659655), (45, 337157), (69, 219885), (107, 141795), (115, 131931), (137, 110745), (207, 73295), (321, 47265), (345, 43977), (411, 36915), (535, 28359), (685, 22149), (963, 15755), (1035, 14659), (1233, 12305), (1605, 9453), (2055, 7383), (2461, 6165), (3151, 4815)]