17915997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 27377280

約数和(自身を除く): 9461283

約数列:

[1, 3, 11, 29, 33, 87, 97, 193, 291, 319, 579, 957, 1067, 2123, 2813, 3201, 5597, 6369, 8439, 16791, 18721, 30943, 56163, 61567, 92829, 184701, 205931, 542909, 617793, 1628727, 5971999, 17915997]

約数ペア:

[(1, 17915997), (3, 5971999), (11, 1628727), (29, 617793), (33, 542909), (87, 205931), (97, 184701), (193, 92829), (291, 61567), (319, 56163), (579, 30943), (957, 18721), (1067, 16791), (2123, 8439), (2813, 6369), (3201, 5597)]