3787821

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 6102720

約数和(自身を除く): 2314899

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 1303, 2907, 3909, 11727, 22151, 24757, 66453, 74271, 199359, 222813, 420869, 1262607, 3787821]

約数ペア:

[(1, 3787821), (3, 1262607), (9, 420869), (17, 222813), (19, 199359), (51, 74271), (57, 66453), (153, 24757), (171, 22151), (323, 11727), (969, 3909), (1303, 2907)]