15770781

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:923

約数の個数: 40

約数和(自身を含む): 26893944

約数和(自身を除く): 11123163

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 459, 663, 881, 1053, 1377, 1989, 2643, 5967, 7929, 11453, 14977, 17901, 23787, 34359, 44931, 71361, 103077, 134793, 194701, 309231, 404379, 584103, 927693, 1213137, 1752309, 5256927, 15770781]

約数ペア:

[(1, 15770781), (3, 5256927), (9, 1752309), (13, 1213137), (17, 927693), (27, 584103), (39, 404379), (51, 309231), (81, 194701), (117, 134793), (153, 103077), (221, 71361), (351, 44931), (459, 34359), (663, 23787), (881, 17901), (1053, 14977), (1377, 11453), (1989, 7929), (2643, 5967)]