1222275

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 2073280

約数和(自身を除く): 851005

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 379, 645, 1075, 1137, 1895, 3225, 5685, 9475, 16297, 28425, 48891, 81485, 244455, 407425, 1222275]

約数ペア:

[(1, 1222275), (3, 407425), (5, 244455), (15, 81485), (25, 48891), (43, 28425), (75, 16297), (129, 9475), (215, 5685), (379, 3225), (645, 1895), (1075, 1137)]