5181891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 8322048

約数和(自身を除く): 3140157

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 257, 429, 517, 611, 771, 1551, 1833, 2827, 3341, 6721, 8481, 10023, 12079, 20163, 36237, 36751, 110253, 132869, 157027, 398607, 471081, 1727297, 5181891]

約数ペア:

[(1, 5181891), (3, 1727297), (11, 471081), (13, 398607), (33, 157027), (39, 132869), (47, 110253), (141, 36751), (143, 36237), (257, 20163), (429, 12079), (517, 10023), (611, 8481), (771, 6721), (1551, 3341), (1833, 2827)]