81919665

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{49201}}^1$

素因数の和:49249

約数の個数: 24

約数和(自身を含む): 145834728

約数和(自身を除く): 63915063

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 49201, 147603, 246005, 442809, 738015, 1820437, 2214045, 5461311, 9102185, 16383933, 27306555, 81919665]

約数ペア:

[(1, 81919665), (3, 27306555), (5, 16383933), (9, 9102185), (15, 5461311), (37, 2214045), (45, 1820437), (111, 738015), (185, 442809), (333, 246005), (555, 147603), (1665, 49201)]