161906025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 279982080

約数和(自身を除く): 118076055

約数列:

[1, 3, 5, 15, 25, 31, 75, 83, 93, 155, 249, 415, 465, 775, 839, 1245, 2075, 2325, 2517, 2573, 4195, 6225, 7719, 12585, 12865, 20975, 26009, 38595, 62925, 64325, 69637, 78027, 130045, 192975, 208911, 348185, 390135, 650225, 1044555, 1740925, 1950675, 2158747, 5222775, 6476241, 10793735, 32381205, 53968675, 161906025]

約数ペア:

[(1, 161906025), (3, 53968675), (5, 32381205), (15, 10793735), (25, 6476241), (31, 5222775), (75, 2158747), (83, 1950675), (93, 1740925), (155, 1044555), (249, 650225), (415, 390135), (465, 348185), (775, 208911), (839, 192975), (1245, 130045), (2075, 78027), (2325, 69637), (2517, 64325), (2573, 62925), (4195, 38595), (6225, 26009), (7719, 20975), (12585, 12865)]