6643497

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 10616832

約数和(自身を除く): 3973335

約数列:

[1, 3, 7, 21, 47, 53, 127, 141, 159, 329, 371, 381, 889, 987, 1113, 2491, 2667, 5969, 6731, 7473, 17437, 17907, 20193, 41783, 47117, 52311, 125349, 141351, 316357, 949071, 2214499, 6643497]

約数ペア:

[(1, 6643497), (3, 2214499), (7, 949071), (21, 316357), (47, 141351), (53, 125349), (127, 52311), (141, 47117), (159, 41783), (329, 20193), (371, 17907), (381, 17437), (889, 7473), (987, 6731), (1113, 5969), (2491, 2667)]