805209209

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{823}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 962656128

約数和(自身を除く): 157446919

約数列:

[1, 7, 41, 49, 287, 487, 823, 2009, 3409, 5761, 19967, 23863, 33743, 40327, 139769, 236201, 400801, 978383, 1653407, 2805607, 16432841, 19639249, 115029887, 805209209]

約数ペア:

[(1, 805209209), (7, 115029887), (41, 19639249), (49, 16432841), (287, 2805607), (487, 1653407), (823, 978383), (2009, 400801), (3409, 236201), (5761, 139769), (19967, 40327), (23863, 33743)]