199445421

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{60493}}^1$

素因数の和:60660

約数の個数: 16

約数和(自身を含む): 305857664

約数和(自身を除く): 106412243

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 60493, 181479, 423451, 1270353, 9497401, 28492203, 66481807, 199445421]

約数ペア:

[(1, 199445421), (3, 66481807), (7, 28492203), (21, 9497401), (157, 1270353), (471, 423451), (1099, 181479), (3297, 60493)]