27980154

素因数分解:

$2^1\times 3^4\times {\mathrm{172717}}^1$

素因数の和:172731

約数の個数: 20

約数和(自身を含む): 62696634

約数和(自身を除く): 34716480

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 172717, 345434, 518151, 1036302, 1554453, 3108906, 4663359, 9326718, 13990077, 27980154]

約数ペア:

[(1, 27980154), (2, 13990077), (3, 9326718), (6, 4663359), (9, 3108906), (18, 1554453), (27, 1036302), (54, 518151), (81, 345434), (162, 172717)]