42378693

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 67110912

約数和(自身を除く): 24732219

約数列:

[1, 3, 7, 21, 43, 71, 129, 213, 301, 497, 661, 903, 1491, 1983, 3053, 4627, 9159, 13881, 21371, 28423, 46931, 64113, 85269, 140793, 198961, 328517, 596883, 985551, 2018033, 6054099, 14126231, 42378693]

約数ペア:

[(1, 42378693), (3, 14126231), (7, 6054099), (21, 2018033), (43, 985551), (71, 596883), (129, 328517), (213, 198961), (301, 140793), (497, 85269), (661, 64113), (903, 46931), (1491, 28423), (1983, 21371), (3053, 13881), (4627, 9159)]