15073821

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 26832000

約数和(自身を除く): 11758179

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 257, 343, 399, 441, 771, 931, 1029, 1197, 1799, 2313, 2793, 3087, 4883, 5397, 6517, 8379, 12593, 14649, 16191, 19551, 34181, 37779, 43947, 58653, 88151, 102543, 113337, 239267, 264453, 307629, 717801, 793359, 1674869, 2153403, 5024607, 15073821]

約数ペア:

[(1, 15073821), (3, 5024607), (7, 2153403), (9, 1674869), (19, 793359), (21, 717801), (49, 307629), (57, 264453), (63, 239267), (133, 113337), (147, 102543), (171, 88151), (257, 58653), (343, 43947), (399, 37779), (441, 34181), (771, 19551), (931, 16191), (1029, 14649), (1197, 12593), (1799, 8379), (2313, 6517), (2793, 5397), (3087, 4883)]