28165545

素因数分解:

$3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1609}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 48976200

約数和(自身を除く): 20810655

約数列:

[1, 3, 5, 9, 15, 45, 389, 1167, 1609, 1945, 3501, 4827, 5835, 8045, 14481, 17505, 24135, 72405, 625901, 1877703, 3129505, 5633109, 9388515, 28165545]

約数ペア:

[(1, 28165545), (3, 9388515), (5, 5633109), (9, 3129505), (15, 1877703), (45, 625901), (389, 72405), (1167, 24135), (1609, 17505), (1945, 14481), (3501, 8045), (4827, 5835)]