201880491

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1327}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 302146560

約数和(自身を除く): 100266069

約数列:

[1, 3, 17, 19, 51, 57, 157, 323, 471, 969, 1327, 2669, 2983, 3981, 8007, 8949, 22559, 25213, 50711, 67677, 75639, 152133, 208339, 428621, 625017, 1285863, 3541763, 3958441, 10625289, 11875323, 67293497, 201880491]

約数ペア:

[(1, 201880491), (3, 67293497), (17, 11875323), (19, 10625289), (51, 3958441), (57, 3541763), (157, 1285863), (323, 625017), (471, 428621), (969, 208339), (1327, 152133), (2669, 75639), (2983, 67677), (3981, 50711), (8007, 25213), (8949, 22559)]