42386409

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{40253}}^1$

素因数の和:40278

約数の個数: 20

約数和(自身を含む): 68190276

約数和(自身を除く): 25803867

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 40253, 120759, 362277, 523289, 1086831, 1569867, 3260493, 4709601, 14128803, 42386409]

約数ペア:

[(1, 42386409), (3, 14128803), (9, 4709601), (13, 3260493), (27, 1569867), (39, 1086831), (81, 523289), (117, 362277), (351, 120759), (1053, 40253)]