28414485

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 54250560

約数和(自身を除く): 25836075

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 137, 165, 411, 419, 495, 685, 1233, 1257, 1507, 2055, 2095, 3771, 4521, 4609, 6165, 6285, 7535, 13563, 13827, 18855, 22605, 23045, 41481, 57403, 67815, 69135, 172209, 207405, 287015, 516627, 631433, 861045, 1894299, 2583135, 3157165, 5682897, 9471495, 28414485]

約数ペア:

[(1, 28414485), (3, 9471495), (5, 5682897), (9, 3157165), (11, 2583135), (15, 1894299), (33, 861045), (45, 631433), (55, 516627), (99, 287015), (137, 207405), (165, 172209), (411, 69135), (419, 67815), (495, 57403), (685, 41481), (1233, 23045), (1257, 22605), (1507, 18855), (2055, 13827), (2095, 13563), (3771, 7535), (4521, 6285), (4609, 6165)]