138744579

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 198180864

約数和(自身を除く): 59436285

約数列:

[1, 3, 23, 69, 71, 127, 213, 223, 381, 669, 1633, 2921, 4899, 5129, 8763, 9017, 15387, 15833, 27051, 28321, 47499, 84963, 207391, 364159, 622173, 651383, 1092477, 1954149, 2010791, 6032373, 46248193, 138744579]

約数ペア:

[(1, 138744579), (3, 46248193), (23, 6032373), (69, 2010791), (71, 1954149), (127, 1092477), (213, 651383), (223, 622173), (381, 364159), (669, 207391), (1633, 84963), (2921, 47499), (4899, 28321), (5129, 27051), (8763, 15833), (9017, 15387)]