81213045

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{80809}}^1$

素因数の和:80884

約数の個数: 16

約数和(自身を含む): 131881920

約数和(自身を除く): 50668875

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 80809, 242427, 404045, 1212135, 5414203, 16242609, 27071015, 81213045]

約数ペア:

[(1, 81213045), (3, 27071015), (5, 16242609), (15, 5414203), (67, 1212135), (201, 404045), (335, 242427), (1005, 80809)]