28012821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{28909}}^1$

素因数の和:28948

約数の個数: 16

約数和(自身を含む): 41630400

約数和(自身を除く): 13617579

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 28909, 86727, 491453, 549271, 1474359, 1647813, 9337607, 28012821]

約数ペア:

[(1, 28012821), (3, 9337607), (17, 1647813), (19, 1474359), (51, 549271), (57, 491453), (323, 86727), (969, 28909)]