9917355

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 18779904

約数和(自身を除く): 8862549

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 103, 105, 131, 147, 245, 309, 393, 515, 655, 721, 735, 917, 1545, 1965, 2163, 2751, 3605, 4585, 5047, 6419, 10815, 13493, 13755, 15141, 19257, 25235, 32095, 40479, 67465, 75705, 94451, 96285, 202395, 283353, 472255, 661157, 1416765, 1983471, 3305785, 9917355]

約数ペア:

[(1, 9917355), (3, 3305785), (5, 1983471), (7, 1416765), (15, 661157), (21, 472255), (35, 283353), (49, 202395), (103, 96285), (105, 94451), (131, 75705), (147, 67465), (245, 40479), (309, 32095), (393, 25235), (515, 19257), (655, 15141), (721, 13755), (735, 13493), (917, 10815), (1545, 6419), (1965, 5047), (2163, 4585), (2751, 3605)]