51305865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 91459008

約数和(自身を除く): 40153143

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 169, 185, 195, 481, 507, 547, 555, 845, 1443, 1641, 2405, 2535, 2735, 6253, 7111, 7215, 8205, 18759, 20239, 21333, 31265, 35555, 60717, 92443, 93795, 101195, 106665, 263107, 277329, 303585, 462215, 789321, 1315535, 1386645, 3420391, 3946605, 10261173, 17101955, 51305865]

約数ペア:

[(1, 51305865), (3, 17101955), (5, 10261173), (13, 3946605), (15, 3420391), (37, 1386645), (39, 1315535), (65, 789321), (111, 462215), (169, 303585), (185, 277329), (195, 263107), (481, 106665), (507, 101195), (547, 93795), (555, 92443), (845, 60717), (1443, 35555), (1641, 31265), (2405, 21333), (2535, 20239), (2735, 18759), (6253, 8205), (7111, 7215)]