211370877

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2693}}^1$

素因数の和:2744

約数の個数: 48

約数和(自身を含む): 353021760

約数和(自身を除く): 141650883

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 243, 323, 459, 513, 969, 1377, 1539, 2693, 2907, 4131, 4617, 8079, 8721, 24237, 26163, 45781, 51167, 72711, 78489, 137343, 153501, 218133, 412029, 460503, 654399, 869839, 1236087, 1381509, 2609517, 3708261, 4144527, 7828551, 11124783, 12433581, 23485653, 70456959, 211370877]

約数ペア:

[(1, 211370877), (3, 70456959), (9, 23485653), (17, 12433581), (19, 11124783), (27, 7828551), (51, 4144527), (57, 3708261), (81, 2609517), (153, 1381509), (171, 1236087), (243, 869839), (323, 654399), (459, 460503), (513, 412029), (969, 218133), (1377, 153501), (1539, 137343), (2693, 78489), (2907, 72711), (4131, 51167), (4617, 45781), (8079, 26163), (8721, 24237)]