28010565

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 25768251

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 71, 99, 165, 213, 355, 495, 639, 781, 797, 1065, 2343, 2391, 3195, 3905, 3985, 7029, 7173, 8767, 11715, 11955, 26301, 35145, 35865, 43835, 56587, 78903, 131505, 169761, 282935, 394515, 509283, 622457, 848805, 1867371, 2546415, 3112285, 5602113, 9336855, 28010565]

約数ペア:

[(1, 28010565), (3, 9336855), (5, 5602113), (9, 3112285), (11, 2546415), (15, 1867371), (33, 848805), (45, 622457), (55, 509283), (71, 394515), (99, 282935), (165, 169761), (213, 131505), (355, 78903), (495, 56587), (639, 43835), (781, 35865), (797, 35145), (1065, 26301), (2343, 11955), (2391, 11715), (3195, 8767), (3905, 7173), (3985, 7029)]