13404321

素因数分解:

$3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{809}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 22239360

約数和(自身を除く): 8835039

約数列:

[1, 3, 7, 9, 21, 63, 263, 789, 809, 1841, 2367, 2427, 5523, 5663, 7281, 16569, 16989, 50967, 212767, 638301, 1489369, 1914903, 4468107, 13404321]

約数ペア:

[(1, 13404321), (3, 4468107), (7, 1914903), (9, 1489369), (21, 638301), (63, 212767), (263, 50967), (789, 16989), (809, 16569), (1841, 7281), (2367, 5663), (2427, 5523)]