205317585

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2711}}^1$

素因数の和:2756

約数の個数: 80

約数和(自身を含む): 425284992

約数和(自身を除く): 219967407

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 81, 85, 99, 135, 153, 165, 187, 255, 297, 405, 459, 495, 561, 765, 891, 935, 1377, 1485, 1683, 2295, 2711, 2805, 4455, 5049, 6885, 8133, 8415, 13555, 15147, 24399, 25245, 29821, 40665, 46087, 73197, 75735, 89463, 121995, 138261, 149105, 219591, 230435, 268389, 365985, 414783, 447315, 506957, 691305, 805167, 1097955, 1244349, 1341945, 1520871, 2073915, 2415501, 2534785, 3733047, 4025835, 4562613, 6221745, 7604355, 12077505, 13687839, 18665235, 22813065, 41063517, 68439195, 205317585]

約数ペア:

[(1, 205317585), (3, 68439195), (5, 41063517), (9, 22813065), (11, 18665235), (15, 13687839), (17, 12077505), (27, 7604355), (33, 6221745), (45, 4562613), (51, 4025835), (55, 3733047), (81, 2534785), (85, 2415501), (99, 2073915), (135, 1520871), (153, 1341945), (165, 1244349), (187, 1097955), (255, 805167), (297, 691305), (405, 506957), (459, 447315), (495, 414783), (561, 365985), (765, 268389), (891, 230435), (935, 219591), (1377, 149105), (1485, 138261), (1683, 121995), (2295, 89463), (2711, 75735), (2805, 73197), (4455, 46087), (5049, 40665), (6885, 29821), (8133, 25245), (8415, 24399), (13555, 15147)]