1620045

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 3319680

約数和(自身を除く): 1699635

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 63, 105, 111, 139, 185, 259, 315, 333, 417, 555, 695, 777, 973, 1251, 1295, 1665, 2085, 2331, 2919, 3885, 4865, 5143, 6255, 8757, 11655, 14595, 15429, 25715, 36001, 43785, 46287, 77145, 108003, 180005, 231435, 324009, 540015, 1620045]

約数ペア:

[(1, 1620045), (3, 540015), (5, 324009), (7, 231435), (9, 180005), (15, 108003), (21, 77145), (35, 46287), (37, 43785), (45, 36001), (63, 25715), (105, 15429), (111, 14595), (139, 11655), (185, 8757), (259, 6255), (315, 5143), (333, 4865), (417, 3885), (555, 2919), (695, 2331), (777, 2085), (973, 1665), (1251, 1295)]