208044081

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 355680000

約数和(自身を除く): 147635919

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 149, 259, 333, 447, 599, 777, 1043, 1341, 1797, 2331, 3129, 4193, 5391, 5513, 9387, 12579, 16539, 22163, 37737, 38591, 49617, 66489, 89251, 115773, 155141, 199467, 267753, 347319, 465423, 624757, 803259, 1396269, 1874271, 3302287, 5622813, 9906861, 23116009, 29720583, 69348027, 208044081]

約数ペア:

[(1, 208044081), (3, 69348027), (7, 29720583), (9, 23116009), (21, 9906861), (37, 5622813), (63, 3302287), (111, 1874271), (149, 1396269), (259, 803259), (333, 624757), (447, 465423), (599, 347319), (777, 267753), (1043, 199467), (1341, 155141), (1797, 115773), (2331, 89251), (3129, 66489), (4193, 49617), (5391, 38591), (5513, 37737), (9387, 22163), (12579, 16539)]