65856645

素因数分解:

$3^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{809}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 120294720

約数和(自身を除く): 54438075

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 243, 335, 405, 603, 809, 1005, 1215, 1809, 2427, 3015, 4045, 5427, 7281, 9045, 12135, 16281, 21843, 27135, 36405, 54203, 65529, 81405, 109215, 162609, 196587, 271015, 327645, 487827, 813045, 982935, 1463481, 2439135, 4390443, 7317405, 13171329, 21952215, 65856645]

約数ペア:

[(1, 65856645), (3, 21952215), (5, 13171329), (9, 7317405), (15, 4390443), (27, 2439135), (45, 1463481), (67, 982935), (81, 813045), (135, 487827), (201, 327645), (243, 271015), (335, 196587), (405, 162609), (603, 109215), (809, 81405), (1005, 65529), (1215, 54203), (1809, 36405), (2427, 27135), (3015, 21843), (4045, 16281), (5427, 12135), (7281, 9045)]