340821

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:993

約数の個数: 16

約数和(自身を含む): 544320

約数和(自身を除く): 203499

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 971, 2913, 8739, 12623, 26217, 37869, 113607, 340821]

約数ペア:

[(1, 340821), (3, 113607), (9, 37869), (13, 26217), (27, 12623), (39, 8739), (117, 2913), (351, 971)]