15680061

素因数分解:

$3^6\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 28

約数和(自身を含む): 23831772

約数和(自身を除く): 8151711

約数列:

[1, 3, 9, 27, 81, 137, 157, 243, 411, 471, 729, 1233, 1413, 3699, 4239, 11097, 12717, 21509, 33291, 38151, 64527, 99873, 114453, 193581, 580743, 1742229, 5226687, 15680061]

約数ペア:

[(1, 15680061), (3, 5226687), (9, 1742229), (27, 580743), (81, 193581), (137, 114453), (157, 99873), (243, 64527), (411, 38151), (471, 33291), (729, 21509), (1233, 12717), (1413, 11097), (3699, 4239)]