15691668321

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{977}}^1\times {\mathrm{6427}}^1$

素因数の和:7438

約数の個数: 48

約数和(自身を含む): 25800140736

約数和(自身を除く): 10108472415

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 977, 2499, 2931, 6427, 6839, 16609, 19281, 20517, 44989, 47873, 49827, 109259, 116263, 134967, 143619, 314923, 327777, 348789, 764813, 813841, 944769, 2294439, 2441523, 5353691, 6279179, 16061073, 18837537, 43954253, 106746043, 131862759, 307679771, 320238129, 747222301, 923039313, 2241666903, 5230556107, 15691668321]

約数ペア:

[(1, 15691668321), (3, 5230556107), (7, 2241666903), (17, 923039313), (21, 747222301), (49, 320238129), (51, 307679771), (119, 131862759), (147, 106746043), (357, 43954253), (833, 18837537), (977, 16061073), (2499, 6279179), (2931, 5353691), (6427, 2441523), (6839, 2294439), (16609, 944769), (19281, 813841), (20517, 764813), (44989, 348789), (47873, 327777), (49827, 314923), (109259, 143619), (116263, 134967)]