616971327

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 1023694848

約数和(自身を除く): 406723521

約数列:

[1, 3, 7, 17, 21, 51, 71, 101, 119, 213, 241, 303, 357, 497, 707, 723, 1207, 1491, 1687, 1717, 2121, 3621, 4097, 5061, 5151, 7171, 8449, 12019, 12291, 17111, 21513, 24341, 25347, 28679, 36057, 50197, 51333, 73023, 86037, 119777, 121907, 150591, 170387, 290887, 359331, 365721, 413797, 511161, 853349, 872661, 1241391, 1728211, 2036209, 2560047, 2896579, 5184633, 6108627, 8689737, 12097477, 29379587, 36292431, 88138761, 205657109, 616971327]

約数ペア:

[(1, 616971327), (3, 205657109), (7, 88138761), (17, 36292431), (21, 29379587), (51, 12097477), (71, 8689737), (101, 6108627), (119, 5184633), (213, 2896579), (241, 2560047), (303, 2036209), (357, 1728211), (497, 1241391), (707, 872661), (723, 853349), (1207, 511161), (1491, 413797), (1687, 365721), (1717, 359331), (2121, 290887), (3621, 170387), (4097, 150591), (5061, 121907), (5151, 119777), (7171, 86037), (8449, 73023), (12019, 51333), (12291, 50197), (17111, 36057), (21513, 28679), (24341, 25347)]