18721801971

素因数分解:

$3^3\times {\mathrm{47857}}^1\times {\mathrm{14489}}^1$

素因数の和:62355

約数の個数: 16

約数和(自身を含む): 27738496800

約数和(自身を除く): 9016694829

約数列:

[1, 3, 9, 27, 14489, 43467, 47857, 130401, 143571, 391203, 430713, 1292139, 693400073, 2080200219, 6240600657, 18721801971]

約数ペア:

[(1, 18721801971), (3, 6240600657), (9, 2080200219), (27, 693400073), (14489, 1292139), (43467, 430713), (47857, 391203), (130401, 143571)]