42885921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 63866880

約数和(自身を除く): 20980959

約数列:

[1, 3, 13, 39, 43, 107, 129, 239, 321, 559, 717, 1391, 1677, 3107, 4173, 4601, 9321, 10277, 13803, 25573, 30831, 59813, 76719, 133601, 179439, 332449, 400803, 997347, 1099639, 3298917, 14295307, 42885921]

約数ペア:

[(1, 42885921), (3, 14295307), (13, 3298917), (39, 1099639), (43, 997347), (107, 400803), (129, 332449), (239, 179439), (321, 133601), (559, 76719), (717, 59813), (1391, 30831), (1677, 25573), (3107, 13803), (4173, 10277), (4601, 9321)]