212103021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1\times {\mathrm{3511}}^1$

素因数の和:5076

約数の個数: 16

約数和(自身を含む): 304841600

約数和(自身を除く): 92738579

約数列:

[1, 3, 13, 39, 1549, 3511, 4647, 10533, 20137, 45643, 60411, 136929, 5438539, 16315617, 70701007, 212103021]

約数ペア:

[(1, 212103021), (3, 70701007), (13, 16315617), (39, 5438539), (1549, 136929), (3511, 60411), (4647, 45643), (10533, 20137)]