28994679

素因数分解:

$3^4\times 7^1\times {\mathrm{51137}}^1$

素因数の和:51156

約数の個数: 20

約数和(自身を含む): 49501584

約数和(自身を除く): 20506905

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 51137, 153411, 357959, 460233, 1073877, 1380699, 3221631, 4142097, 9664893, 28994679]

約数ペア:

[(1, 28994679), (3, 9664893), (7, 4142097), (9, 3221631), (21, 1380699), (27, 1073877), (63, 460233), (81, 357959), (189, 153411), (567, 51137)]