20210389947

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{2520313}}^1$

素因数の和:2520342

約数の個数: 28

約数和(自身を含む): 33056438424

約数和(自身を除く): 12846048477

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 729, 891, 2673, 8019, 2520313, 7560939, 22682817, 27723443, 68048451, 83170329, 204145353, 249510987, 612436059, 748532961, 1837308177, 2245598883, 6736796649, 20210389947]

約数ペア:

[(1, 20210389947), (3, 6736796649), (9, 2245598883), (11, 1837308177), (27, 748532961), (33, 612436059), (81, 249510987), (99, 204145353), (243, 83170329), (297, 68048451), (729, 27723443), (891, 22682817), (2673, 7560939), (8019, 2520313)]