15978963

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 30385152

約数和(自身を除く): 14406189

約数列:

[1, 3, 7, 11, 13, 17, 21, 33, 39, 51, 77, 91, 119, 143, 187, 221, 231, 273, 313, 357, 429, 561, 663, 939, 1001, 1309, 1547, 2191, 2431, 3003, 3443, 3927, 4069, 4641, 5321, 6573, 7293, 10329, 12207, 15963, 17017, 24101, 28483, 37247, 44759, 51051, 58531, 69173, 72303, 85449, 111741, 134277, 175593, 207519, 313313, 409717, 484211, 760903, 939939, 1229151, 1452633, 2282709, 5326321, 15978963]

約数ペア:

[(1, 15978963), (3, 5326321), (7, 2282709), (11, 1452633), (13, 1229151), (17, 939939), (21, 760903), (33, 484211), (39, 409717), (51, 313313), (77, 207519), (91, 175593), (119, 134277), (143, 111741), (187, 85449), (221, 72303), (231, 69173), (273, 58531), (313, 51051), (357, 44759), (429, 37247), (561, 28483), (663, 24101), (939, 17017), (1001, 15963), (1309, 12207), (1547, 10329), (2191, 7293), (2431, 6573), (3003, 5321), (3443, 4641), (3927, 4069)]