16888905

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 35126784

約数和(自身を除く): 18237879

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 81, 85, 99, 135, 153, 165, 187, 223, 255, 297, 405, 459, 495, 561, 669, 765, 891, 935, 1115, 1377, 1485, 1683, 2007, 2295, 2453, 2805, 3345, 3791, 4455, 5049, 6021, 6885, 7359, 8415, 10035, 11373, 12265, 15147, 18063, 18955, 22077, 25245, 30105, 34119, 36795, 41701, 56865, 66231, 75735, 90315, 102357, 110385, 125103, 170595, 198693, 208505, 307071, 331155, 375309, 511785, 625515, 993465, 1125927, 1535355, 1876545, 3377781, 5629635, 16888905]

約数ペア:

[(1, 16888905), (3, 5629635), (5, 3377781), (9, 1876545), (11, 1535355), (15, 1125927), (17, 993465), (27, 625515), (33, 511785), (45, 375309), (51, 331155), (55, 307071), (81, 208505), (85, 198693), (99, 170595), (135, 125103), (153, 110385), (165, 102357), (187, 90315), (223, 75735), (255, 66231), (297, 56865), (405, 41701), (459, 36795), (495, 34119), (561, 30105), (669, 25245), (765, 22077), (891, 18955), (935, 18063), (1115, 15147), (1377, 12265), (1485, 11373), (1683, 10035), (2007, 8415), (2295, 7359), (2453, 6885), (2805, 6021), (3345, 5049), (3791, 4455)]