127817151

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{2153}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 213401088

約数和(自身を除く): 85583937

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 257, 771, 1799, 2153, 2827, 5397, 6459, 8481, 15071, 19789, 23683, 45213, 59367, 71049, 165781, 497343, 553321, 1659963, 3873247, 6086531, 11619741, 18259593, 42605717, 127817151]

約数ペア:

[(1, 127817151), (3, 42605717), (7, 18259593), (11, 11619741), (21, 6086531), (33, 3873247), (77, 1659963), (231, 553321), (257, 497343), (771, 165781), (1799, 71049), (2153, 59367), (2827, 45213), (5397, 23683), (6459, 19789), (8481, 15071)]