1390251

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 16

約数和(自身を含む): 1928448

約数和(自身を除く): 538197

約数列:

[1, 3, 61, 71, 107, 183, 213, 321, 4331, 6527, 7597, 12993, 19581, 22791, 463417, 1390251]

約数ペア:

[(1, 1390251), (3, 463417), (61, 22791), (71, 19581), (107, 12993), (183, 7597), (213, 6527), (321, 4331)]