1330999989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 2172303360

約数和(自身を除く): 841303371

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 193, 209, 323, 561, 579, 627, 647, 969, 1941, 2123, 3281, 3553, 3667, 6369, 7117, 9843, 10659, 10999, 11001, 12293, 21351, 32997, 36091, 36879, 40337, 62339, 108273, 120989, 121011, 124871, 135223, 187017, 208981, 362967, 374613, 405669, 626943, 685729, 1373581, 2057187, 2122807, 2298791, 2372549, 4120743, 6368421, 6896373, 7117647, 23350877, 26098039, 40333333, 70052631, 78294117, 120999999, 443666663, 1330999989]

約数ペア:

[(1, 1330999989), (3, 443666663), (11, 120999999), (17, 78294117), (19, 70052631), (33, 40333333), (51, 26098039), (57, 23350877), (187, 7117647), (193, 6896373), (209, 6368421), (323, 4120743), (561, 2372549), (579, 2298791), (627, 2122807), (647, 2057187), (969, 1373581), (1941, 685729), (2123, 626943), (3281, 405669), (3553, 374613), (3667, 362967), (6369, 208981), (7117, 187017), (9843, 135223), (10659, 124871), (10999, 121011), (11001, 120989), (12293, 108273), (21351, 62339), (32997, 40337), (36091, 36879)]