16561179

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 27780480

約数和(自身を除く): 11219301

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 211, 243, 323, 459, 513, 633, 969, 1377, 1539, 1899, 2907, 3587, 4009, 4131, 4617, 5697, 8721, 10761, 12027, 17091, 26163, 32283, 36081, 51273, 68153, 78489, 96849, 108243, 204459, 290547, 324729, 613377, 871641, 974187, 1840131, 5520393, 16561179]

約数ペア:

[(1, 16561179), (3, 5520393), (9, 1840131), (17, 974187), (19, 871641), (27, 613377), (51, 324729), (57, 290547), (81, 204459), (153, 108243), (171, 96849), (211, 78489), (243, 68153), (323, 51273), (459, 36081), (513, 32283), (633, 26163), (969, 17091), (1377, 12027), (1539, 10761), (1899, 8721), (2907, 5697), (3587, 4617), (4009, 4131)]