28841265

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 56453760

約数和(自身を除く): 27612495

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 59, 71, 81, 85, 135, 153, 177, 213, 255, 295, 355, 405, 459, 531, 639, 765, 885, 1003, 1065, 1207, 1377, 1593, 1917, 2295, 2655, 3009, 3195, 3621, 4189, 4779, 5015, 5751, 6035, 6885, 7965, 9027, 9585, 10863, 12567, 15045, 18105, 20945, 23895, 27081, 28755, 32589, 37701, 45135, 54315, 62835, 71213, 81243, 97767, 113103, 135405, 162945, 188505, 213639, 339309, 356065, 406215, 488835, 565515, 640917, 1068195, 1696545, 1922751, 3204585, 5768253, 9613755, 28841265]

約数ペア:

[(1, 28841265), (3, 9613755), (5, 5768253), (9, 3204585), (15, 1922751), (17, 1696545), (27, 1068195), (45, 640917), (51, 565515), (59, 488835), (71, 406215), (81, 356065), (85, 339309), (135, 213639), (153, 188505), (177, 162945), (213, 135405), (255, 113103), (295, 97767), (355, 81243), (405, 71213), (459, 62835), (531, 54315), (639, 45135), (765, 37701), (885, 32589), (1003, 28755), (1065, 27081), (1207, 23895), (1377, 20945), (1593, 18105), (1917, 15045), (2295, 12567), (2655, 10863), (3009, 9585), (3195, 9027), (3621, 7965), (4189, 6885), (4779, 6035), (5015, 5751)]