28267821

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3931}}^1$

素因数の和:4001

約数の個数: 24

約数和(自身を含む): 44164224

約数和(自身を除く): 15896403

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 3931, 7191, 11793, 35379, 66827, 184757, 200481, 554271, 601443, 1662813, 3140869, 9422607, 28267821]

約数ペア:

[(1, 28267821), (3, 9422607), (9, 3140869), (17, 1662813), (47, 601443), (51, 554271), (141, 200481), (153, 184757), (423, 66827), (799, 35379), (2397, 11793), (3931, 7191)]