78798909

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 130507200

約数和(自身を除く): 51708291

約数列:

[1, 3, 7, 19, 21, 49, 57, 89, 133, 147, 267, 317, 399, 623, 931, 951, 1691, 1869, 2219, 2793, 4361, 5073, 6023, 6657, 11837, 13083, 15533, 18069, 28213, 35511, 42161, 46599, 82859, 84639, 126483, 197491, 248577, 295127, 536047, 592473, 885381, 1382437, 1608141, 3752329, 4147311, 11256987, 26266303, 78798909]

約数ペア:

[(1, 78798909), (3, 26266303), (7, 11256987), (19, 4147311), (21, 3752329), (49, 1608141), (57, 1382437), (89, 885381), (133, 592473), (147, 536047), (267, 295127), (317, 248577), (399, 197491), (623, 126483), (931, 84639), (951, 82859), (1691, 46599), (1869, 42161), (2219, 35511), (2793, 28213), (4361, 18069), (5073, 15533), (6023, 13083), (6657, 11837)]