127970919

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{26879}}^1$

素因数の和:26931

約数の個数: 18

約数和(自身を含む): 193240320

約数和(自身を除く): 65269401

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 26879, 80637, 241911, 618217, 1854651, 5563953, 14218991, 42656973, 127970919]

約数ペア:

[(1, 127970919), (3, 42656973), (9, 14218991), (23, 5563953), (69, 1854651), (207, 618217), (529, 241911), (1587, 80637), (4761, 26879)]