18090303

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1103}}^1$

素因数の和:1195

約数の個数: 32

約数和(自身を含む): 30523392

約数和(自身を除く): 12433089

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1103, 1491, 2343, 3309, 5467, 7721, 12133, 16401, 23163, 36399, 78313, 84931, 234939, 254793, 548191, 861443, 1644573, 2584329, 6030101, 18090303]

約数ペア:

[(1, 18090303), (3, 6030101), (7, 2584329), (11, 1644573), (21, 861443), (33, 548191), (71, 254793), (77, 234939), (213, 84931), (231, 78313), (497, 36399), (781, 23163), (1103, 16401), (1491, 12133), (2343, 7721), (3309, 5467)]