28092897

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4091}}^1$

素因数の和:4213

約数の個数: 24

約数和(自身を含む): 46812480

約数和(自身を除く): 18719583

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 4091, 6867, 12273, 28637, 36819, 85911, 257733, 445919, 1337757, 3121433, 4013271, 9364299, 28092897]

約数ペア:

[(1, 28092897), (3, 9364299), (7, 4013271), (9, 3121433), (21, 1337757), (63, 445919), (109, 257733), (327, 85911), (763, 36819), (981, 28637), (2289, 12273), (4091, 6867)]