28166985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{739}}^1$

素因数の和:779

約数の個数: 72

約数和(自身を含む): 61414080

約数和(自身を除く): 33247095

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 121, 165, 231, 315, 363, 385, 495, 605, 693, 739, 847, 1089, 1155, 1815, 2217, 2541, 3465, 3695, 4235, 5173, 5445, 6651, 7623, 8129, 11085, 12705, 15519, 24387, 25865, 33255, 38115, 40645, 46557, 56903, 73161, 77595, 89419, 121935, 170709, 232785, 268257, 284515, 365805, 447095, 512127, 625933, 804771, 853545, 1341285, 1877799, 2560635, 3129665, 4023855, 5633397, 9388995, 28166985]

約数ペア:

[(1, 28166985), (3, 9388995), (5, 5633397), (7, 4023855), (9, 3129665), (11, 2560635), (15, 1877799), (21, 1341285), (33, 853545), (35, 804771), (45, 625933), (55, 512127), (63, 447095), (77, 365805), (99, 284515), (105, 268257), (121, 232785), (165, 170709), (231, 121935), (315, 89419), (363, 77595), (385, 73161), (495, 56903), (605, 46557), (693, 40645), (739, 38115), (847, 33255), (1089, 25865), (1155, 24387), (1815, 15519), (2217, 12705), (2541, 11085), (3465, 8129), (3695, 7623), (4235, 6651), (5173, 5445)]