28667925

素因数分解:

$3^6\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1$

素因数の和:63

約数の個数: 126

約数和(自身を含む): 63090146

約数和(自身を除く): 34422221

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 27, 33, 39, 45, 55, 65, 75, 81, 99, 117, 121, 135, 143, 165, 195, 225, 243, 275, 297, 325, 351, 363, 405, 429, 495, 585, 605, 675, 715, 729, 825, 891, 975, 1053, 1089, 1215, 1287, 1485, 1573, 1755, 1815, 2025, 2145, 2475, 2673, 2925, 3025, 3159, 3267, 3575, 3645, 3861, 4455, 4719, 5265, 5445, 6075, 6435, 7425, 7865, 8019, 8775, 9075, 9477, 9801, 10725, 11583, 13365, 14157, 15795, 16335, 18225, 19305, 22275, 23595, 26325, 27225, 29403, 32175, 34749, 39325, 40095, 42471, 47385, 49005, 57915, 66825, 70785, 78975, 81675, 88209, 96525, 104247, 117975, 127413, 147015, 173745, 200475, 212355, 236925, 245025, 289575, 353925, 382239, 441045, 521235, 637065, 735075, 868725, 1061775, 1146717, 1911195, 2205225, 2606175, 3185325, 5733585, 9555975, 28667925]

約数ペア:

[(1, 28667925), (3, 9555975), (5, 5733585), (9, 3185325), (11, 2606175), (13, 2205225), (15, 1911195), (25, 1146717), (27, 1061775), (33, 868725), (39, 735075), (45, 637065), (55, 521235), (65, 441045), (75, 382239), (81, 353925), (99, 289575), (117, 245025), (121, 236925), (135, 212355), (143, 200475), (165, 173745), (195, 147015), (225, 127413), (243, 117975), (275, 104247), (297, 96525), (325, 88209), (351, 81675), (363, 78975), (405, 70785), (429, 66825), (495, 57915), (585, 49005), (605, 47385), (675, 42471), (715, 40095), (729, 39325), (825, 34749), (891, 32175), (975, 29403), (1053, 27225), (1089, 26325), (1215, 23595), (1287, 22275), (1485, 19305), (1573, 18225), (1755, 16335), (1815, 15795), (2025, 14157), (2145, 13365), (2475, 11583), (2673, 10725), (2925, 9801), (3025, 9477), (3159, 9075), (3267, 8775), (3575, 8019), (3645, 7865), (3861, 7425), (4455, 6435), (4719, 6075), (5265, 5445)]