289731

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:75

約数の個数: 32

約数和(自身を含む): 483840

約数和(自身を除く): 194109

約数列:

[1, 3, 13, 17, 19, 23, 39, 51, 57, 69, 221, 247, 299, 323, 391, 437, 663, 741, 897, 969, 1173, 1311, 4199, 5083, 5681, 7429, 12597, 15249, 17043, 22287, 96577, 289731]

約数ペア:

[(1, 289731), (3, 96577), (13, 22287), (17, 17043), (19, 15249), (23, 12597), (39, 7429), (51, 5681), (57, 5083), (69, 4199), (221, 1311), (247, 1173), (299, 969), (323, 897), (391, 741), (437, 663)]