31190115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9949}}^1$

素因数の和:9987

約数の個数: 32

約数和(自身を含む): 57312000

約数和(自身を除く): 26121885

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 9949, 29847, 49745, 109439, 149235, 189031, 328317, 547195, 567093, 945155, 1641585, 2079341, 2835465, 6238023, 10396705, 31190115]

約数ペア:

[(1, 31190115), (3, 10396705), (5, 6238023), (11, 2835465), (15, 2079341), (19, 1641585), (33, 945155), (55, 567093), (57, 547195), (95, 328317), (165, 189031), (209, 149235), (285, 109439), (627, 49745), (1045, 29847), (3135, 9949)]