81211567359

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{19104109}}^1$

素因数の和:19104234

約数の個数: 16

約数和(自身を含む): 117681317600

約数和(自身を除く): 36469750241

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 19104109, 57312327, 248353417, 745060251, 2082347881, 6247043643, 27070522453, 81211567359]

約数ペア:

[(1, 81211567359), (3, 27070522453), (13, 6247043643), (39, 2082347881), (109, 745060251), (327, 248353417), (1417, 57312327), (4251, 19104109)]