155890371

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1289}}^1$

素因数の和:1755

約数の個数: 32

約数和(自身を含む): 256596480

約数和(自身を除く): 100706109

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 443, 1289, 1329, 3101, 3867, 5759, 9023, 9303, 16757, 17277, 27069, 40313, 50271, 117299, 120939, 351897, 571027, 1713081, 3997189, 7423351, 11991567, 22270053, 51963457, 155890371]

約数ペア:

[(1, 155890371), (3, 51963457), (7, 22270053), (13, 11991567), (21, 7423351), (39, 3997189), (91, 1713081), (273, 571027), (443, 351897), (1289, 120939), (1329, 117299), (3101, 50271), (3867, 40313), (5759, 27069), (9023, 17277), (9303, 16757)]