81320175

素因数分解:

$3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{4951}}^1$

素因数の和:5040

約数の個数: 36

約数和(自身を含む): 147678544

約数和(自身を除く): 66358369

約数列:

[1, 3, 5, 9, 15, 25, 45, 73, 75, 219, 225, 365, 657, 1095, 1825, 3285, 4951, 5475, 14853, 16425, 24755, 44559, 74265, 123775, 222795, 361423, 371325, 1084269, 1113975, 1807115, 3252807, 5421345, 9035575, 16264035, 27106725, 81320175]

約数ペア:

[(1, 81320175), (3, 27106725), (5, 16264035), (9, 9035575), (15, 5421345), (25, 3252807), (45, 1807115), (73, 1113975), (75, 1084269), (219, 371325), (225, 361423), (365, 222795), (657, 123775), (1095, 74265), (1825, 44559), (3285, 24755), (4951, 16425), (5475, 14853)]