17642247

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5351}}^1$

素因数の和:5518

約数の個数: 16

約数和(自身を含む): 27059712

約数和(自身を除く): 9417465

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 5351, 16053, 37457, 112371, 840107, 2520321, 5880749, 17642247]

約数ペア:

[(1, 17642247), (3, 5880749), (7, 2520321), (21, 840107), (157, 112371), (471, 37457), (1099, 16053), (3297, 5351)]