257103

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:84

約数の個数: 36

約数和(自身を含む): 480168

約数和(自身を除く): 223065

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 53, 63, 77, 99, 147, 159, 231, 371, 441, 477, 539, 583, 693, 1113, 1617, 1749, 2597, 3339, 4081, 4851, 5247, 7791, 12243, 23373, 28567, 36729, 85701, 257103]

約数ペア:

[(1, 257103), (3, 85701), (7, 36729), (9, 28567), (11, 23373), (21, 12243), (33, 7791), (49, 5247), (53, 4851), (63, 4081), (77, 3339), (99, 2597), (147, 1749), (159, 1617), (231, 1113), (371, 693), (441, 583), (477, 539)]