1291229217

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{607}}^1\times {\mathrm{3329}}^1$

素因数の和:4013

約数の個数: 24

約数和(自身を含む): 1895063040

約数和(自身を除く): 603833823

約数列:

[1, 3, 9, 71, 213, 607, 639, 1821, 3329, 5463, 9987, 29961, 43097, 129291, 236359, 387873, 709077, 2020703, 2127231, 6062109, 18186327, 143469913, 430409739, 1291229217]

約数ペア:

[(1, 1291229217), (3, 430409739), (9, 143469913), (71, 18186327), (213, 6062109), (607, 2127231), (639, 2020703), (1821, 709077), (3329, 387873), (5463, 236359), (9987, 129291), (29961, 43097)]