280807653

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{1831}}^1$

素因数の和:2017

約数の個数: 32

約数和(自身を含む): 438507520

約数和(自身を除く): 157699867

約数列:

[1, 3, 7, 21, 67, 109, 201, 327, 469, 763, 1407, 1831, 2289, 5493, 7303, 12817, 21909, 38451, 51121, 122677, 153363, 199579, 368031, 598737, 858739, 1397053, 2576217, 4191159, 13371793, 40115379, 93602551, 280807653]

約数ペア:

[(1, 280807653), (3, 93602551), (7, 40115379), (21, 13371793), (67, 4191159), (109, 2576217), (201, 1397053), (327, 858739), (469, 598737), (763, 368031), (1407, 199579), (1831, 153363), (2289, 122677), (5493, 51121), (7303, 38451), (12817, 21909)]