56280015

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4211}}^1$

素因数の和:4242

約数の個数: 48

約数和(自身を含む): 110388096

約数和(自身を除く): 54108081

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 891, 1215, 1485, 2673, 4211, 4455, 12633, 13365, 21055, 37899, 46321, 63165, 113697, 138963, 189495, 231605, 341091, 416889, 568485, 694815, 1023273, 1250667, 1705455, 2084445, 3752001, 5116365, 6253335, 11256003, 18760005, 56280015]

約数ペア:

[(1, 56280015), (3, 18760005), (5, 11256003), (9, 6253335), (11, 5116365), (15, 3752001), (27, 2084445), (33, 1705455), (45, 1250667), (55, 1023273), (81, 694815), (99, 568485), (135, 416889), (165, 341091), (243, 231605), (297, 189495), (405, 138963), (495, 113697), (891, 63165), (1215, 46321), (1485, 37899), (2673, 21055), (4211, 13365), (4455, 12633)]