78480801

素因数分解:

$3^2\times 7^3\times {\mathrm{25423}}^1$

素因数の和:25450

約数の個数: 24

約数和(自身を含む): 132204800

約数和(自身を除く): 53723999

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 25423, 76269, 177961, 228807, 533883, 1245727, 1601649, 3737181, 8720089, 11211543, 26160267, 78480801]

約数ペア:

[(1, 78480801), (3, 26160267), (7, 11211543), (9, 8720089), (21, 3737181), (49, 1601649), (63, 1245727), (147, 533883), (343, 228807), (441, 177961), (1029, 76269), (3087, 25423)]