16908021

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{16057}}^1$

素因数の和:16082

約数の個数: 20

約数和(自身を含む): 27202252

約数和(自身を除く): 10294231

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 16057, 48171, 144513, 208741, 433539, 626223, 1300617, 1878669, 5636007, 16908021]

約数ペア:

[(1, 16908021), (3, 5636007), (9, 1878669), (13, 1300617), (27, 626223), (39, 433539), (81, 208741), (117, 144513), (351, 48171), (1053, 16057)]