78381045

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{40507}}^1$

素因数の和:40561

約数の個数: 24

約数和(自身を含む): 139023456

約数和(自身を除く): 60642411

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 40507, 121521, 202535, 364563, 607605, 1741801, 1822815, 5225403, 8709005, 15676209, 26127015, 78381045]

約数ペア:

[(1, 78381045), (3, 26127015), (5, 15676209), (9, 8709005), (15, 5225403), (43, 1822815), (45, 1741801), (129, 607605), (215, 364563), (387, 202535), (645, 121521), (1935, 40507)]