2190978891

素因数分解:

$3^2\times {\mathrm{821}}^1\times {\mathrm{296519}}^1$

素因数の和:297346

約数の個数: 12

約数和(自身を含む): 3168612720

約数和(自身を除く): 977633829

約数列:

[1, 3, 9, 821, 2463, 7389, 296519, 889557, 2668671, 243442099, 730326297, 2190978891]

約数ペア:

[(1, 2190978891), (3, 730326297), (9, 243442099), (821, 2668671), (2463, 889557), (7389, 296519)]