28154529

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{727}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 43988672

約数和(自身を除く): 15834143

約数列:

[1, 3, 9, 13, 39, 117, 331, 727, 993, 2181, 2979, 4303, 6543, 9451, 12909, 28353, 38727, 85059, 240637, 721911, 2165733, 3128281, 9384843, 28154529]

約数ペア:

[(1, 28154529), (3, 9384843), (9, 3128281), (13, 2165733), (39, 721911), (117, 240637), (331, 85059), (727, 38727), (993, 28353), (2181, 12909), (2979, 9451), (4303, 6543)]