81397638

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{646013}}^1$

素因数の和:646028

約数の個数: 24

約数和(自身を含む): 201556368

約数和(自身を除く): 120158730

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 646013, 1292026, 1938039, 3876078, 4522091, 5814117, 9044182, 11628234, 13566273, 27132546, 40698819, 81397638]

約数ペア:

[(1, 81397638), (2, 40698819), (3, 27132546), (6, 13566273), (7, 11628234), (9, 9044182), (14, 5814117), (18, 4522091), (21, 3876078), (42, 1938039), (63, 1292026), (126, 646013)]