221609739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2129}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 339232320

約数和(自身を除く): 117622581

約数列:

[1, 3, 13, 17, 39, 51, 157, 221, 471, 663, 2041, 2129, 2669, 6123, 6387, 8007, 27677, 34697, 36193, 83031, 104091, 108579, 334253, 470509, 1002759, 1411527, 4345289, 5682301, 13035867, 17046903, 73869913, 221609739]

約数ペア:

[(1, 221609739), (3, 73869913), (13, 17046903), (17, 13035867), (39, 5682301), (51, 4345289), (157, 1411527), (221, 1002759), (471, 470509), (663, 334253), (2041, 108579), (2129, 104091), (2669, 83031), (6123, 36193), (6387, 34697), (8007, 27677)]