7680813

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 12220416

約数和(自身を除く): 4539603

約数列:

[1, 3, 7, 21, 53, 67, 103, 159, 201, 309, 371, 469, 721, 1113, 1407, 2163, 3551, 5459, 6901, 10653, 16377, 20703, 24857, 38213, 48307, 74571, 114639, 144921, 365753, 1097259, 2560271, 7680813]

約数ペア:

[(1, 7680813), (3, 2560271), (7, 1097259), (21, 365753), (53, 144921), (67, 114639), (103, 74571), (159, 48307), (201, 38213), (309, 24857), (371, 20703), (469, 16377), (721, 10653), (1113, 6901), (1407, 5459), (2163, 3551)]