78681945

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5209}}^1$

素因数の和:5289

約数の個数: 32

約数和(自身を含む): 135043200

約数和(自身を除く): 56361255

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 3021, 5035, 5209, 15105, 15627, 26045, 78135, 98971, 276077, 296913, 494855, 828231, 1380385, 1484565, 4141155, 5245463, 15736389, 26227315, 78681945]

約数ペア:

[(1, 78681945), (3, 26227315), (5, 15736389), (15, 5245463), (19, 4141155), (53, 1484565), (57, 1380385), (95, 828231), (159, 494855), (265, 296913), (285, 276077), (795, 98971), (1007, 78135), (3021, 26045), (5035, 15627), (5209, 15105)]