81593985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{991}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 142848000

約数和(自身を除く): 61254015

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 499, 991, 1497, 2495, 2973, 4955, 5489, 7485, 10901, 14865, 16467, 27445, 32703, 54505, 82335, 163515, 494509, 1483527, 2472545, 5439599, 7417635, 16318797, 27197995, 81593985]

約数ペア:

[(1, 81593985), (3, 27197995), (5, 16318797), (11, 7417635), (15, 5439599), (33, 2472545), (55, 1483527), (165, 494509), (499, 163515), (991, 82335), (1497, 54505), (2495, 32703), (2973, 27445), (4955, 16467), (5489, 14865), (7485, 10901)]