81850875

素因数分解:

$3^1\times 5^3\times {\mathrm{167}}^1\times {\mathrm{1307}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 137120256

約数和(自身を除く): 55269381

約数列:

[1, 3, 5, 15, 25, 75, 125, 167, 375, 501, 835, 1307, 2505, 3921, 4175, 6535, 12525, 19605, 20875, 32675, 62625, 98025, 163375, 218269, 490125, 654807, 1091345, 3274035, 5456725, 16370175, 27283625, 81850875]

約数ペア:

[(1, 81850875), (3, 27283625), (5, 16370175), (15, 5456725), (25, 3274035), (75, 1091345), (125, 654807), (167, 490125), (375, 218269), (501, 163375), (835, 98025), (1307, 62625), (2505, 32675), (3921, 20875), (4175, 19605), (6535, 12525)]