81289766235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{14437}}^1$

素因数の和:14844

約数の個数: 64

約数和(自身を含む): 140112820224

約数和(自身を除く): 58823053989

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 311, 355, 933, 1065, 1207, 1555, 3621, 4665, 5287, 6035, 14437, 15861, 18105, 22081, 26435, 43311, 66243, 72185, 79305, 110405, 216555, 245429, 331215, 375377, 736287, 1025027, 1126131, 1227145, 1876885, 3075081, 3681435, 4489907, 5125135, 5630655, 13469721, 15375405, 17425459, 22449535, 52276377, 67348605, 76328419, 87127295, 228985257, 261381885, 318783397, 381642095, 956350191, 1144926285, 1593916985, 4781750955, 5419317749, 16257953247, 27096588745, 81289766235]

約数ペア:

[(1, 81289766235), (3, 27096588745), (5, 16257953247), (15, 5419317749), (17, 4781750955), (51, 1593916985), (71, 1144926285), (85, 956350191), (213, 381642095), (255, 318783397), (311, 261381885), (355, 228985257), (933, 87127295), (1065, 76328419), (1207, 67348605), (1555, 52276377), (3621, 22449535), (4665, 17425459), (5287, 15375405), (6035, 13469721), (14437, 5630655), (15861, 5125135), (18105, 4489907), (22081, 3681435), (26435, 3075081), (43311, 1876885), (66243, 1227145), (72185, 1126131), (79305, 1025027), (110405, 736287), (216555, 375377), (245429, 331215)]