78816915

素因数分解:

$3^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2063}}^1$

素因数の和:2360

約数の個数: 32

約数和(自身を含む): 140682240

約数和(自身を除く): 61865325

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 283, 849, 1415, 2063, 2547, 4245, 6189, 7641, 10315, 12735, 18567, 30945, 38205, 55701, 92835, 278505, 583829, 1751487, 2919145, 5254461, 8757435, 15763383, 26272305, 78816915]

約数ペア:

[(1, 78816915), (3, 26272305), (5, 15763383), (9, 8757435), (15, 5254461), (27, 2919145), (45, 1751487), (135, 583829), (283, 278505), (849, 92835), (1415, 55701), (2063, 38205), (2547, 30945), (4245, 18567), (6189, 12735), (7641, 10315)]