201921303

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 289269760

約数和(自身を除く): 87348457

約数列:

[1, 3, 19, 57, 103, 163, 211, 309, 489, 633, 1957, 3097, 4009, 5871, 9291, 12027, 16789, 21733, 34393, 50367, 65199, 103179, 318991, 412927, 653467, 956973, 1238781, 1960401, 3542479, 10627437, 67307101, 201921303]

約数ペア:

[(1, 201921303), (3, 67307101), (19, 10627437), (57, 3542479), (103, 1960401), (163, 1238781), (211, 956973), (309, 653467), (489, 412927), (633, 318991), (1957, 103179), (3097, 65199), (4009, 50367), (5871, 34393), (9291, 21733), (12027, 16789)]