13421415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 26597376

約数和(自身を除く): 13175961

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 73, 85, 103, 105, 119, 219, 255, 309, 357, 365, 511, 515, 595, 721, 1095, 1241, 1533, 1545, 1751, 1785, 2163, 2555, 3605, 3723, 5253, 6205, 7519, 7665, 8687, 8755, 10815, 12257, 18615, 22557, 26061, 26265, 36771, 37595, 43435, 52633, 61285, 112785, 127823, 130305, 157899, 183855, 263165, 383469, 639115, 789495, 894761, 1917345, 2684283, 4473805, 13421415]

約数ペア:

[(1, 13421415), (3, 4473805), (5, 2684283), (7, 1917345), (15, 894761), (17, 789495), (21, 639115), (35, 383469), (51, 263165), (73, 183855), (85, 157899), (103, 130305), (105, 127823), (119, 112785), (219, 61285), (255, 52633), (309, 43435), (357, 37595), (365, 36771), (511, 26265), (515, 26061), (595, 22557), (721, 18615), (1095, 12257), (1241, 10815), (1533, 8755), (1545, 8687), (1751, 7665), (1785, 7519), (2163, 6205), (2555, 5253), (3605, 3723)]