28040709

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 41149440

約数和(自身を除く): 13108731

約数列:

[1, 3, 29, 31, 37, 87, 93, 111, 281, 843, 899, 1073, 1147, 2697, 3219, 3441, 8149, 8711, 10397, 24447, 26133, 31191, 33263, 99789, 252619, 301513, 322307, 757857, 904539, 966921, 9346903, 28040709]

約数ペア:

[(1, 28040709), (3, 9346903), (29, 966921), (31, 904539), (37, 757857), (87, 322307), (93, 301513), (111, 252619), (281, 99789), (843, 33263), (899, 31191), (1073, 26133), (1147, 24447), (2697, 10397), (3219, 8711), (3441, 8149)]