201517821

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 303511680

約数和(自身を除く): 101993859

約数列:

[1, 3, 9, 27, 137, 157, 347, 411, 471, 1041, 1233, 1413, 3123, 3699, 4239, 9369, 21509, 47539, 54479, 64527, 142617, 163437, 193581, 427851, 490311, 580743, 1283553, 1470933, 7463623, 22390869, 67172607, 201517821]

約数ペア:

[(1, 201517821), (3, 67172607), (9, 22390869), (27, 7463623), (137, 1470933), (157, 1283553), (347, 580743), (411, 490311), (471, 427851), (1041, 193581), (1233, 163437), (1413, 142617), (3123, 64527), (3699, 54479), (4239, 47539), (9369, 21509)]