305655357

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 473324544

約数和(自身を除く): 167669187

約数列:

[1, 3, 7, 21, 131, 137, 393, 411, 811, 917, 959, 2433, 2751, 2877, 5677, 17031, 17947, 53841, 106241, 111107, 125629, 318723, 333321, 376887, 743687, 777749, 2231061, 2333247, 14555017, 43665051, 101885119, 305655357]

約数ペア:

[(1, 305655357), (3, 101885119), (7, 43665051), (21, 14555017), (131, 2333247), (137, 2231061), (393, 777749), (411, 743687), (811, 376887), (917, 333321), (959, 318723), (2433, 125629), (2751, 111107), (2877, 106241), (5677, 53841), (17031, 17947)]