1209201

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:892

約数の個数: 16

約数和(自身を含む): 1870848

約数和(自身を除く): 661647

約数列:

[1, 3, 7, 21, 71, 213, 497, 811, 1491, 2433, 5677, 17031, 57581, 172743, 403067, 1209201]

約数ペア:

[(1, 1209201), (3, 403067), (7, 172743), (21, 57581), (71, 17031), (213, 5677), (497, 2433), (811, 1491)]