201993519

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2879}}^1$

素因数の和:3159

約数の個数: 32

約数和(自身を含む): 332881920

約数和(自身を除く): 130888401

約数列:

[1, 3, 7, 13, 21, 39, 91, 257, 273, 771, 1799, 2879, 3341, 5397, 8637, 10023, 20153, 23387, 37427, 60459, 70161, 112281, 261989, 739903, 785967, 2219709, 5179321, 9618739, 15537963, 28856217, 67331173, 201993519]

約数ペア:

[(1, 201993519), (3, 67331173), (7, 28856217), (13, 15537963), (21, 9618739), (39, 5179321), (91, 2219709), (257, 785967), (273, 739903), (771, 261989), (1799, 112281), (2879, 70161), (3341, 60459), (5397, 37427), (8637, 23387), (10023, 20153)]