2015261781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{601}}^1\times {\mathrm{677}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 2925662208

約数和(自身を除く): 910400427

約数列:

[1, 3, 13, 39, 127, 381, 601, 677, 1651, 1803, 2031, 4953, 7813, 8801, 23439, 26403, 76327, 85979, 228981, 257937, 406877, 992251, 1117727, 1220631, 2976753, 3353181, 5289401, 15868203, 51673379, 155020137, 671753927, 2015261781]

約数ペア:

[(1, 2015261781), (3, 671753927), (13, 155020137), (39, 51673379), (127, 15868203), (381, 5289401), (601, 3353181), (677, 2976753), (1651, 1220631), (1803, 1117727), (2031, 992251), (4953, 406877), (7813, 257937), (8801, 228981), (23439, 85979), (26403, 76327)]