199985991

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{1163}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 282041856

約数和(自身を除く): 82055865

約数列:

[1, 3, 31, 43, 93, 129, 1163, 1333, 1849, 3489, 3999, 5547, 36053, 50009, 57319, 108159, 150027, 171957, 1550279, 2150387, 4650837, 6451161, 66661997, 199985991]

約数ペア:

[(1, 199985991), (3, 66661997), (31, 6451161), (43, 4650837), (93, 2150387), (129, 1550279), (1163, 171957), (1333, 150027), (1849, 108159), (3489, 57319), (3999, 50009), (5547, 36053)]