23315721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 17326839

約数列:

[1, 3, 11, 13, 17, 23, 33, 39, 51, 69, 139, 143, 187, 221, 253, 299, 391, 417, 429, 561, 663, 759, 897, 1173, 1529, 1807, 2363, 2431, 3197, 3289, 4301, 4587, 5083, 5421, 7089, 7293, 9591, 9867, 12903, 15249, 19877, 25993, 30719, 35167, 41561, 54349, 55913, 59631, 77979, 92157, 105501, 124683, 163047, 167739, 337909, 457171, 597839, 706537, 1013727, 1371513, 1793517, 2119611, 7771907, 23315721]

約数ペア:

[(1, 23315721), (3, 7771907), (11, 2119611), (13, 1793517), (17, 1371513), (23, 1013727), (33, 706537), (39, 597839), (51, 457171), (69, 337909), (139, 167739), (143, 163047), (187, 124683), (221, 105501), (253, 92157), (299, 77979), (391, 59631), (417, 55913), (429, 54349), (561, 41561), (663, 35167), (759, 30719), (897, 25993), (1173, 19877), (1529, 15249), (1807, 12903), (2363, 9867), (2431, 9591), (3197, 7293), (3289, 7089), (4301, 5421), (4587, 5083)]