1276821

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 2271360

約数和(自身を除く): 994539

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 1559, 4677, 10913, 14031, 20267, 32739, 60801, 98217, 141869, 182403, 425607, 1276821]

約数ペア:

[(1, 1276821), (3, 425607), (7, 182403), (9, 141869), (13, 98217), (21, 60801), (39, 32739), (63, 20267), (91, 14031), (117, 10913), (273, 4677), (819, 1559)]