67728255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2048

約数の個数: 64

約数和(自身を含む): 138101760

約数和(自身を除く): 70373505

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 51, 57, 85, 95, 105, 119, 133, 255, 285, 323, 357, 399, 595, 665, 969, 1615, 1785, 1995, 1997, 2261, 4845, 5991, 6783, 9985, 11305, 13979, 29955, 33915, 33949, 37943, 41937, 69895, 101847, 113829, 169745, 189715, 209685, 237643, 265601, 509235, 569145, 645031, 712929, 796803, 1188215, 1328005, 1935093, 3225155, 3564645, 3984015, 4515217, 9675465, 13545651, 22576085, 67728255]

約数ペア:

[(1, 67728255), (3, 22576085), (5, 13545651), (7, 9675465), (15, 4515217), (17, 3984015), (19, 3564645), (21, 3225155), (35, 1935093), (51, 1328005), (57, 1188215), (85, 796803), (95, 712929), (105, 645031), (119, 569145), (133, 509235), (255, 265601), (285, 237643), (323, 209685), (357, 189715), (399, 169745), (595, 113829), (665, 101847), (969, 69895), (1615, 41937), (1785, 37943), (1995, 33949), (1997, 33915), (2261, 29955), (4845, 13979), (5991, 11305), (6783, 9985)]