390507

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 32

約数和(自身を含む): 645120

約数和(自身を除く): 254613

約数列:

[1, 3, 13, 17, 19, 31, 39, 51, 57, 93, 221, 247, 323, 403, 527, 589, 663, 741, 969, 1209, 1581, 1767, 4199, 6851, 7657, 10013, 12597, 20553, 22971, 30039, 130169, 390507]

約数ペア:

[(1, 390507), (3, 130169), (13, 30039), (17, 22971), (19, 20553), (31, 12597), (39, 10013), (51, 7657), (57, 6851), (93, 4199), (221, 1767), (247, 1581), (323, 1209), (403, 969), (527, 741), (589, 663)]