13408281

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 21312000

約数和(自身を除く): 7903719

約数列:

[1, 3, 9, 19, 27, 57, 59, 171, 177, 443, 513, 531, 1121, 1329, 1593, 3363, 3987, 8417, 10089, 11961, 25251, 26137, 30267, 75753, 78411, 227259, 235233, 496603, 705699, 1489809, 4469427, 13408281]

約数ペア:

[(1, 13408281), (3, 4469427), (9, 1489809), (19, 705699), (27, 496603), (57, 235233), (59, 227259), (171, 78411), (177, 75753), (443, 30267), (513, 26137), (531, 25251), (1121, 11961), (1329, 10089), (1593, 8417), (3363, 3987)]