128045367

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{6151}}^1$

素因数の和:6420

約数の個数: 20

約数和(自身を含む): 192053136

約数和(自身を除く): 64007769

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 6151, 6939, 18453, 20817, 55359, 166077, 498231, 1580807, 4742421, 14227263, 42681789, 128045367]

約数ペア:

[(1, 128045367), (3, 42681789), (9, 14227263), (27, 4742421), (81, 1580807), (257, 498231), (771, 166077), (2313, 55359), (6151, 20817), (6939, 18453)]