69489171

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{18253}}^1$

素因数の和:18312

約数の個数: 20

約数和(自身を含む): 106019232

約数和(自身を除く): 36530061

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 18253, 54759, 164277, 492831, 857891, 1478493, 2573673, 7721019, 23163057, 69489171]

約数ペア:

[(1, 69489171), (3, 23163057), (9, 7721019), (27, 2573673), (47, 1478493), (81, 857891), (141, 492831), (423, 164277), (1269, 54759), (3807, 18253)]