28245987

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40759}}^1$

素因数の和:40783

約数の個数: 24

約数和(自身を含む): 50868480

約数和(自身を除く): 22622493

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 40759, 122277, 285313, 366831, 448349, 855939, 1345047, 2567817, 3138443, 4035141, 9415329, 28245987]

約数ペア:

[(1, 28245987), (3, 9415329), (7, 4035141), (9, 3138443), (11, 2567817), (21, 1345047), (33, 855939), (63, 448349), (77, 366831), (99, 285313), (231, 122277), (693, 40759)]