71969229

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{20663}}^1$

素因数の和:20718

約数の個数: 20

約数和(自身を含む): 110015136

約数和(自身を除く): 38045907

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 20663, 61989, 185967, 557901, 888509, 1673703, 2665527, 7996581, 23989743, 71969229]

約数ペア:

[(1, 71969229), (3, 23989743), (9, 7996581), (27, 2665527), (43, 1673703), (81, 888509), (129, 557901), (387, 185967), (1161, 61989), (3483, 20663)]