290490213

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{281}}^1\times {\mathrm{2039}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 421104960

約数和(自身を除く): 130614747

約数列:

[1, 3, 13, 39, 169, 281, 507, 843, 2039, 3653, 6117, 10959, 26507, 47489, 79521, 142467, 344591, 572959, 1033773, 1718877, 7448467, 22345401, 96830071, 290490213]

約数ペア:

[(1, 290490213), (3, 96830071), (13, 22345401), (39, 7448467), (169, 1718877), (281, 1033773), (507, 572959), (843, 344591), (2039, 142467), (3653, 79521), (6117, 47489), (10959, 26507)]