7138423971

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{406123}}^1$

素因数の和:406173

約数の個数: 40

約数和(自身を含む): 12580097024

約数和(自身を除く): 5441673053

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1953, 2511, 5859, 17577, 406123, 1218369, 2842861, 3655107, 8528583, 10965321, 12589813, 25585749, 32895963, 37769439, 76757247, 88128691, 113308317, 230271741, 264386073, 339924951, 793158219, 1019774853, 2379474657, 7138423971]

約数ペア:

[(1, 7138423971), (3, 2379474657), (7, 1019774853), (9, 793158219), (21, 339924951), (27, 264386073), (31, 230271741), (63, 113308317), (81, 88128691), (93, 76757247), (189, 37769439), (217, 32895963), (279, 25585749), (567, 12589813), (651, 10965321), (837, 8528583), (1953, 3655107), (2511, 2842861), (5859, 1218369), (17577, 406123)]