28269927

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2687}}^1$

素因数の和:2867

約数の個数: 24

約数和(自身を含む): 46964736

約数和(自身を除く): 18694809

約数列:

[1, 3, 7, 9, 21, 63, 167, 501, 1169, 1503, 2687, 3507, 8061, 10521, 18809, 24183, 56427, 169281, 448729, 1346187, 3141103, 4038561, 9423309, 28269927]

約数ペア:

[(1, 28269927), (3, 9423309), (7, 4038561), (9, 3141103), (21, 1346187), (63, 448729), (167, 169281), (501, 56427), (1169, 24183), (1503, 18809), (2687, 10521), (3507, 8061)]