28427355

素因数分解:

$3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1$

素因数の和:743

約数の個数: 56

約数和(自身を含む): 55874160

約数和(自身を除く): 27446805

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 709, 729, 891, 1215, 1485, 2127, 2673, 3545, 3645, 4455, 6381, 7799, 8019, 10635, 13365, 19143, 23397, 31905, 38995, 40095, 57429, 70191, 95715, 116985, 172287, 210573, 287145, 350955, 516861, 631719, 861435, 1052865, 1895157, 2584305, 3158595, 5685471, 9475785, 28427355]

約数ペア:

[(1, 28427355), (3, 9475785), (5, 5685471), (9, 3158595), (11, 2584305), (15, 1895157), (27, 1052865), (33, 861435), (45, 631719), (55, 516861), (81, 350955), (99, 287145), (135, 210573), (165, 172287), (243, 116985), (297, 95715), (405, 70191), (495, 57429), (709, 40095), (729, 38995), (891, 31905), (1215, 23397), (1485, 19143), (2127, 13365), (2673, 10635), (3545, 8019), (3645, 7799), (4455, 6381)]