691866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:68

約数の個数: 72

約数和(自身を含む): 1915680

約数和(自身を除く): 1223814

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 34, 38, 42, 51, 57, 63, 102, 114, 119, 126, 133, 153, 171, 238, 266, 289, 306, 323, 342, 357, 399, 578, 646, 714, 798, 867, 969, 1071, 1197, 1734, 1938, 2023, 2142, 2261, 2394, 2601, 2907, 4046, 4522, 5202, 5491, 5814, 6069, 6783, 10982, 12138, 13566, 16473, 18207, 20349, 32946, 36414, 38437, 40698, 49419, 76874, 98838, 115311, 230622, 345933, 691866]

約数ペア:

[(1, 691866), (2, 345933), (3, 230622), (6, 115311), (7, 98838), (9, 76874), (14, 49419), (17, 40698), (18, 38437), (19, 36414), (21, 32946), (34, 20349), (38, 18207), (42, 16473), (51, 13566), (57, 12138), (63, 10982), (102, 6783), (114, 6069), (119, 5814), (126, 5491), (133, 5202), (153, 4522), (171, 4046), (238, 2907), (266, 2601), (289, 2394), (306, 2261), (323, 2142), (342, 2023), (357, 1938), (399, 1734), (578, 1197), (646, 1071), (714, 969), (798, 867)]