5220117

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 9360000

約数和(自身を除く): 4139883

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 89, 133, 147, 171, 267, 343, 399, 441, 623, 801, 931, 1029, 1197, 1691, 1869, 2793, 3087, 4361, 5073, 5607, 6517, 8379, 11837, 13083, 15219, 19551, 30527, 35511, 39249, 58653, 82859, 91581, 106533, 248577, 274743, 580013, 745731, 1740039, 5220117]

約数ペア:

[(1, 5220117), (3, 1740039), (7, 745731), (9, 580013), (19, 274743), (21, 248577), (49, 106533), (57, 91581), (63, 82859), (89, 58653), (133, 39249), (147, 35511), (171, 30527), (267, 19551), (343, 15219), (399, 13083), (441, 11837), (623, 8379), (801, 6517), (931, 5607), (1029, 5073), (1197, 4361), (1691, 3087), (1869, 2793)]