195173811

素因数分解:

$3^2\times 7^2\times {\mathrm{442571}}^1$

素因数の和:442591

約数の個数: 18

約数和(自身を含む): 327945852

約数和(自身を除く): 132772041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 442571, 1327713, 3097997, 3983139, 9293991, 21685979, 27881973, 65057937, 195173811]

約数ペア:

[(1, 195173811), (3, 65057937), (7, 27881973), (9, 21685979), (21, 9293991), (49, 3983139), (63, 3097997), (147, 1327713), (441, 442571)]