31403229

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 49932288

約数和(自身を除く): 18529059

約数列:

[1, 3, 11, 13, 33, 39, 71, 143, 213, 429, 781, 923, 1031, 2343, 2769, 3093, 10153, 11341, 13403, 30459, 34023, 40209, 73201, 147433, 219603, 442299, 805211, 951613, 2415633, 2854839, 10467743, 31403229]

約数ペア:

[(1, 31403229), (3, 10467743), (11, 2854839), (13, 2415633), (33, 951613), (39, 805211), (71, 442299), (143, 219603), (213, 147433), (429, 73201), (781, 40209), (923, 34023), (1031, 30459), (2343, 13403), (2769, 11341), (3093, 10153)]