290464053

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{821}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 431806464

約数和(自身を除く): 141342411

約数列:

[1, 3, 11, 33, 71, 151, 213, 453, 781, 821, 1661, 2343, 2463, 4983, 9031, 10721, 27093, 32163, 58291, 117931, 123971, 174873, 353793, 371913, 641201, 1363681, 1923603, 4091043, 8801941, 26405823, 96821351, 290464053]

約数ペア:

[(1, 290464053), (3, 96821351), (11, 26405823), (33, 8801941), (71, 4091043), (151, 1923603), (213, 1363681), (453, 641201), (781, 371913), (821, 353793), (1661, 174873), (2343, 123971), (2463, 117931), (4983, 58291), (9031, 32163), (10721, 27093)]