15945831

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 26956800

約数和(自身を除く): 11010969

約数列:

[1, 3, 9, 11, 23, 33, 47, 69, 99, 141, 149, 207, 253, 423, 447, 517, 759, 1081, 1341, 1551, 1639, 2277, 3243, 3427, 4653, 4917, 7003, 9729, 10281, 11891, 14751, 21009, 30843, 35673, 37697, 63027, 77033, 107019, 113091, 161069, 231099, 339273, 483207, 693297, 1449621, 1771759, 5315277, 15945831]

約数ペア:

[(1, 15945831), (3, 5315277), (9, 1771759), (11, 1449621), (23, 693297), (33, 483207), (47, 339273), (69, 231099), (99, 161069), (141, 113091), (149, 107019), (207, 77033), (253, 63027), (423, 37697), (447, 35673), (517, 30843), (759, 21009), (1081, 14751), (1341, 11891), (1551, 10281), (1639, 9729), (2277, 7003), (3243, 4917), (3427, 4653)]