989001

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 1572480

約数和(自身を除く): 583479

約数列:

[1, 3, 9, 13, 39, 79, 107, 117, 237, 321, 711, 963, 1027, 1391, 3081, 4173, 8453, 9243, 12519, 25359, 76077, 109889, 329667, 989001]

約数ペア:

[(1, 989001), (3, 329667), (9, 109889), (13, 76077), (39, 25359), (79, 12519), (107, 9243), (117, 8453), (237, 4173), (321, 3081), (711, 1391), (963, 1027)]