28188927

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1223}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 44108064

約数和(自身を除く): 15919137

約数列:

[1, 3, 9, 13, 39, 117, 197, 591, 1223, 1773, 2561, 3669, 7683, 11007, 15899, 23049, 47697, 143091, 240931, 722793, 2168379, 3132103, 9396309, 28188927]

約数ペア:

[(1, 28188927), (3, 9396309), (9, 3132103), (13, 2168379), (39, 722793), (117, 240931), (197, 143091), (591, 47697), (1223, 23049), (1773, 15899), (2561, 11007), (3669, 7683)]