7891011

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 11827296

約数和(自身を除く): 3936285

約数列:

[1, 3, 9, 53, 71, 159, 213, 233, 477, 639, 699, 2097, 3763, 11289, 12349, 16543, 33867, 37047, 49629, 111141, 148887, 876779, 2630337, 7891011]

約数ペア:

[(1, 7891011), (3, 2630337), (9, 876779), (53, 148887), (71, 111141), (159, 49629), (213, 37047), (233, 33867), (477, 16543), (639, 12349), (699, 11289), (2097, 3763)]