28249641

素因数分解:

$3^4\times 7^1\times {\mathrm{49823}}^1$

素因数の和:49842

約数の個数: 20

約数和(自身を含む): 48229632

約数和(自身を除く): 19979991

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 49823, 149469, 348761, 448407, 1046283, 1345221, 3138849, 4035663, 9416547, 28249641]

約数ペア:

[(1, 28249641), (3, 9416547), (7, 4035663), (9, 3138849), (21, 1345221), (27, 1046283), (63, 448407), (81, 348761), (189, 149469), (567, 49823)]