56780901

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5227}}^1$

素因数の和:5321

約数の個数: 24

約数和(自身を含む): 88081344

約数和(自身を除く): 31300443

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 3621, 5227, 10863, 15681, 47043, 88859, 266577, 371117, 799731, 1113351, 3340053, 6308989, 18926967, 56780901]

約数ペア:

[(1, 56780901), (3, 18926967), (9, 6308989), (17, 3340053), (51, 1113351), (71, 799731), (153, 371117), (213, 266577), (639, 88859), (1207, 47043), (3621, 15681), (5227, 10863)]