81684063

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{6469}}^1$

素因数の和:6559

約数の個数: 24

約数和(自身を含む): 125155680

約数和(自身を除く): 43471617

約数列:

[1, 3, 9, 23, 61, 69, 183, 207, 549, 1403, 4209, 6469, 12627, 19407, 58221, 148787, 394609, 446361, 1183827, 1339083, 3551481, 9076007, 27228021, 81684063]

約数ペア:

[(1, 81684063), (3, 27228021), (9, 9076007), (23, 3551481), (61, 1339083), (69, 1183827), (183, 446361), (207, 394609), (549, 148787), (1403, 58221), (4209, 19407), (6469, 12627)]