12228195

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 23113728

約数和(自身を除く): 10885533

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 127, 131, 147, 245, 381, 393, 635, 655, 735, 889, 917, 1905, 1965, 2667, 2751, 4445, 4585, 6223, 6419, 13335, 13755, 16637, 18669, 19257, 31115, 32095, 49911, 83185, 93345, 96285, 116459, 249555, 349377, 582295, 815213, 1746885, 2445639, 4076065, 12228195]

約数ペア:

[(1, 12228195), (3, 4076065), (5, 2445639), (7, 1746885), (15, 815213), (21, 582295), (35, 349377), (49, 249555), (105, 116459), (127, 96285), (131, 93345), (147, 83185), (245, 49911), (381, 32095), (393, 31115), (635, 19257), (655, 18669), (735, 16637), (889, 13755), (917, 13335), (1905, 6419), (1965, 6223), (2667, 4585), (2751, 4445)]