7893987

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 11466576

約数和(自身を除く): 3572589

約数列:

[1, 3, 19, 37, 57, 111, 197, 361, 591, 703, 1083, 2109, 3743, 7289, 11229, 13357, 21867, 40071, 71117, 138491, 213351, 415473, 2631329, 7893987]

約数ペア:

[(1, 7893987), (3, 2631329), (19, 415473), (37, 213351), (57, 138491), (111, 71117), (197, 40071), (361, 21867), (591, 13357), (703, 11229), (1083, 7289), (2109, 3743)]