28310877

素因数分解:

$3^4\times 7^3\times {\mathrm{1019}}^1$

素因数の和:1052

約数の個数: 40

約数和(自身を含む): 49368000

約数和(自身を除く): 21057123

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 1019, 1029, 1323, 3057, 3087, 3969, 7133, 9171, 9261, 21399, 27513, 27783, 49931, 64197, 82539, 149793, 192591, 349517, 449379, 577773, 1048551, 1348137, 3145653, 4044411, 9436959, 28310877]

約数ペア:

[(1, 28310877), (3, 9436959), (7, 4044411), (9, 3145653), (21, 1348137), (27, 1048551), (49, 577773), (63, 449379), (81, 349517), (147, 192591), (189, 149793), (343, 82539), (441, 64197), (567, 49931), (1019, 27783), (1029, 27513), (1323, 21399), (3057, 9261), (3087, 9171), (3969, 7133)]