16661337

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 28600320

約数和(自身を除く): 11938983

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 83, 121, 231, 237, 249, 363, 553, 581, 847, 869, 913, 1659, 1743, 2541, 2607, 2739, 6083, 6391, 6557, 9559, 10043, 18249, 19173, 19671, 28677, 30129, 45899, 66913, 70301, 72127, 137697, 200739, 210903, 216381, 504889, 793397, 1514667, 2380191, 5553779, 16661337]

約数ペア:

[(1, 16661337), (3, 5553779), (7, 2380191), (11, 1514667), (21, 793397), (33, 504889), (77, 216381), (79, 210903), (83, 200739), (121, 137697), (231, 72127), (237, 70301), (249, 66913), (363, 45899), (553, 30129), (581, 28677), (847, 19671), (869, 19173), (913, 18249), (1659, 10043), (1743, 9559), (2541, 6557), (2607, 6391), (2739, 6083)]