28107387

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40559}}^1$

素因数の和:40583

約数の個数: 24

約数和(自身を含む): 50618880

約数和(自身を除く): 22511493

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 40559, 121677, 283913, 365031, 446149, 851739, 1338447, 2555217, 3123043, 4015341, 9369129, 28107387]

約数ペア:

[(1, 28107387), (3, 9369129), (7, 4015341), (9, 3123043), (11, 2555217), (21, 1338447), (33, 851739), (63, 446149), (77, 365031), (99, 283913), (231, 121677), (693, 40559)]