31223457

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 46208448

約数和(自身を除く): 14984991

約数列:

[1, 3, 9, 71, 131, 213, 373, 393, 639, 1119, 1179, 3357, 9301, 26483, 27903, 48863, 79449, 83709, 146589, 238347, 439767, 3469273, 10407819, 31223457]

約数ペア:

[(1, 31223457), (3, 10407819), (9, 3469273), (71, 439767), (131, 238347), (213, 146589), (373, 83709), (393, 79449), (639, 48863), (1119, 27903), (1179, 26483), (3357, 9301)]