399496071

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{1217}}^1$

素因数の和:1695

約数の個数: 32

約数和(自身を含む): 605687040

約数和(自身を除く): 206190969

約数列:

[1, 3, 13, 19, 39, 57, 247, 443, 741, 1217, 1329, 3651, 5759, 8417, 15821, 17277, 23123, 25251, 47463, 69369, 109421, 300599, 328263, 539131, 901797, 1617393, 7008703, 10243489, 21026109, 30730467, 133165357, 399496071]

約数ペア:

[(1, 399496071), (3, 133165357), (13, 30730467), (19, 21026109), (39, 10243489), (57, 7008703), (247, 1617393), (443, 901797), (741, 539131), (1217, 328263), (1329, 300599), (3651, 109421), (5759, 69369), (8417, 47463), (15821, 25251), (17277, 23123)]