64670445

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 131957280

約数和(自身を除く): 67286835

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 139, 147, 211, 245, 315, 417, 441, 633, 695, 735, 973, 1055, 1251, 1477, 1899, 2085, 2205, 2919, 3165, 4431, 4865, 6255, 6811, 7385, 8757, 9495, 10339, 13293, 14595, 20433, 22155, 29329, 31017, 34055, 43785, 51695, 61299, 66465, 87987, 93051, 102165, 146645, 155085, 205303, 263961, 306495, 439935, 465255, 615909, 1026515, 1319805, 1437121, 1847727, 3079545, 4311363, 7185605, 9238635, 12934089, 21556815, 64670445]

約数ペア:

[(1, 64670445), (3, 21556815), (5, 12934089), (7, 9238635), (9, 7185605), (15, 4311363), (21, 3079545), (35, 1847727), (45, 1437121), (49, 1319805), (63, 1026515), (105, 615909), (139, 465255), (147, 439935), (211, 306495), (245, 263961), (315, 205303), (417, 155085), (441, 146645), (633, 102165), (695, 93051), (735, 87987), (973, 66465), (1055, 61299), (1251, 51695), (1477, 43785), (1899, 34055), (2085, 31017), (2205, 29329), (2919, 22155), (3165, 20433), (4431, 14595), (4865, 13293), (6255, 10339), (6811, 9495), (7385, 8757)]