76531221

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 126672000

約数和(自身を除く): 50140779

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 173, 199, 247, 519, 597, 741, 1557, 1791, 2223, 2249, 2587, 3287, 3781, 6747, 7761, 9861, 11343, 20241, 23283, 29583, 34029, 34427, 42731, 49153, 103281, 128193, 147459, 309843, 384579, 442377, 447551, 654113, 1342653, 1962339, 4027959, 5887017, 8503469, 25510407, 76531221]

約数ペア:

[(1, 76531221), (3, 25510407), (9, 8503469), (13, 5887017), (19, 4027959), (39, 1962339), (57, 1342653), (117, 654113), (171, 447551), (173, 442377), (199, 384579), (247, 309843), (519, 147459), (597, 128193), (741, 103281), (1557, 49153), (1791, 42731), (2223, 34427), (2249, 34029), (2587, 29583), (3287, 23283), (3781, 20241), (6747, 11343), (7761, 9861)]