1388547

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 2122848

約数和(自身を除く): 734301

約数列:

[1, 3, 9, 41, 53, 71, 123, 159, 213, 369, 477, 639, 2173, 2911, 3763, 6519, 8733, 11289, 19557, 26199, 33867, 154283, 462849, 1388547]

約数ペア:

[(1, 1388547), (3, 462849), (9, 154283), (41, 33867), (53, 26199), (71, 19557), (123, 11289), (159, 8733), (213, 6519), (369, 3763), (477, 2911), (639, 2173)]