138231747

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{2351}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 205470720

約数和(自身を除く): 67238973

約数列:

[1, 3, 9, 47, 139, 141, 417, 423, 1251, 2351, 6533, 7053, 19599, 21159, 58797, 110497, 326789, 331491, 980367, 994473, 2941101, 15359083, 46077249, 138231747]

約数ペア:

[(1, 138231747), (3, 46077249), (9, 15359083), (47, 2941101), (139, 994473), (141, 980367), (417, 331491), (423, 326789), (1251, 110497), (2351, 58797), (6533, 21159), (7053, 19599)]