16928289

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1609}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 28129920

約数和(自身を除く): 11201631

約数列:

[1, 3, 7, 9, 21, 63, 167, 501, 1169, 1503, 1609, 3507, 4827, 10521, 11263, 14481, 33789, 101367, 268703, 806109, 1880921, 2418327, 5642763, 16928289]

約数ペア:

[(1, 16928289), (3, 5642763), (7, 2418327), (9, 1880921), (21, 806109), (63, 268703), (167, 101367), (501, 33789), (1169, 14481), (1503, 11263), (1609, 10521), (3507, 4827)]