201157887

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{16487}}^1$

素因数の和:16587

約数の個数: 24

約数和(自身を含む): 315778176

約数和(自身を除く): 114620289

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 4067, 12201, 16487, 49461, 115409, 346227, 807863, 1368421, 2423589, 4105263, 9578947, 28736841, 67052629, 201157887]

約数ペア:

[(1, 201157887), (3, 67052629), (7, 28736841), (21, 9578947), (49, 4105263), (83, 2423589), (147, 1368421), (249, 807863), (581, 346227), (1743, 115409), (4067, 49461), (12201, 16487)]