213888988845

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1227871}}^1$

素因数の和:1227975

約数の個数: 72

約数和(自身を含む): 436729512960

約数和(自身を除く): 222840524115

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 79, 105, 147, 237, 245, 315, 395, 441, 553, 711, 735, 1185, 1659, 2205, 2765, 3555, 3871, 4977, 8295, 11613, 19355, 24885, 34839, 58065, 174195, 1227871, 3683613, 6139355, 8595097, 11050839, 18418065, 25785291, 42975485, 55254195, 60165679, 77355873, 97001809, 128926455, 180497037, 291005427, 300828395, 386779365, 485009045, 541491111, 679012663, 873016281, 902485185, 1455027135, 2037037989, 2707455555, 3395063315, 4365081405, 4753088641, 6111113967, 10185189945, 14259265923, 23765443205, 30555569835, 42777797769, 71296329615, 213888988845]

約数ペア:

[(1, 213888988845), (3, 71296329615), (5, 42777797769), (7, 30555569835), (9, 23765443205), (15, 14259265923), (21, 10185189945), (35, 6111113967), (45, 4753088641), (49, 4365081405), (63, 3395063315), (79, 2707455555), (105, 2037037989), (147, 1455027135), (237, 902485185), (245, 873016281), (315, 679012663), (395, 541491111), (441, 485009045), (553, 386779365), (711, 300828395), (735, 291005427), (1185, 180497037), (1659, 128926455), (2205, 97001809), (2765, 77355873), (3555, 60165679), (3871, 55254195), (4977, 42975485), (8295, 25785291), (11613, 18418065), (19355, 11050839), (24885, 8595097), (34839, 6139355), (58065, 3683613), (174195, 1227871)]