7208733

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 12312000

約数和(自身を除く): 5103267

約数列:

[1, 3, 7, 19, 21, 29, 49, 57, 87, 89, 133, 147, 203, 267, 399, 551, 609, 623, 931, 1421, 1653, 1691, 1869, 2581, 2793, 3857, 4263, 4361, 5073, 7743, 11571, 11837, 13083, 18067, 26999, 35511, 49039, 54201, 80997, 82859, 126469, 147117, 248577, 343273, 379407, 1029819, 2402911, 7208733]

約数ペア:

[(1, 7208733), (3, 2402911), (7, 1029819), (19, 379407), (21, 343273), (29, 248577), (49, 147117), (57, 126469), (87, 82859), (89, 80997), (133, 54201), (147, 49039), (203, 35511), (267, 26999), (399, 18067), (551, 13083), (609, 11837), (623, 11571), (931, 7743), (1421, 5073), (1653, 4361), (1691, 4263), (1869, 3857), (2581, 2793)]