81328377

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{3413}}^1$

素因数の和:3489

約数の個数: 24

約数和(自身を含む): 119954304

約数和(自身を除く): 38625927

約数列:

[1, 3, 13, 39, 47, 141, 169, 507, 611, 1833, 3413, 7943, 10239, 23829, 44369, 133107, 160411, 481233, 576797, 1730391, 2085343, 6256029, 27109459, 81328377]

約数ペア:

[(1, 81328377), (3, 27109459), (13, 6256029), (39, 2085343), (47, 1730391), (141, 576797), (169, 481233), (507, 160411), (611, 133107), (1833, 44369), (3413, 23829), (7943, 10239)]