199878567

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{863}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 313528320

約数和(自身を除く): 113649753

約数列:

[1, 3, 7, 21, 41, 123, 269, 287, 807, 861, 863, 1883, 2589, 5649, 6041, 11029, 18123, 33087, 35383, 77203, 106149, 231609, 232147, 247681, 696441, 743043, 1625029, 4875087, 9518027, 28554081, 66626189, 199878567]

約数ペア:

[(1, 199878567), (3, 66626189), (7, 28554081), (21, 9518027), (41, 4875087), (123, 1625029), (269, 743043), (287, 696441), (807, 247681), (861, 232147), (863, 231609), (1883, 106149), (2589, 77203), (5649, 35383), (6041, 33087), (11029, 18123)]