289202391

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{32491}}^1$

素因数の和:32563

約数の個数: 24

約数和(自身を含む): 446050176

約数和(自身を除く): 156847785

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 8901, 32491, 97473, 292419, 747293, 1397113, 2241879, 4191339, 6725637, 12574017, 32133599, 96400797, 289202391]

約数ペア:

[(1, 289202391), (3, 96400797), (9, 32133599), (23, 12574017), (43, 6725637), (69, 4191339), (129, 2241879), (207, 1397113), (387, 747293), (989, 292419), (2967, 97473), (8901, 32491)]