81981774

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2971}}^1$

素因数の和:3062

約数の個数: 64

約数和(自身を含む): 211130880

約数和(自身を除く): 129149106

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 73, 126, 146, 189, 219, 378, 438, 511, 657, 1022, 1314, 1533, 1971, 2971, 3066, 3942, 4599, 5942, 8913, 9198, 13797, 17826, 20797, 26739, 27594, 41594, 53478, 62391, 80217, 124782, 160434, 187173, 216883, 374346, 433766, 561519, 650649, 1123038, 1301298, 1518181, 1951947, 3036362, 3903894, 4554543, 5855841, 9109086, 11711682, 13663629, 27327258, 40990887, 81981774]

約数ペア:

[(1, 81981774), (2, 40990887), (3, 27327258), (6, 13663629), (7, 11711682), (9, 9109086), (14, 5855841), (18, 4554543), (21, 3903894), (27, 3036362), (42, 1951947), (54, 1518181), (63, 1301298), (73, 1123038), (126, 650649), (146, 561519), (189, 433766), (219, 374346), (378, 216883), (438, 187173), (511, 160434), (657, 124782), (1022, 80217), (1314, 62391), (1533, 53478), (1971, 41594), (2971, 27594), (3066, 26739), (3942, 20797), (4599, 17826), (5942, 13797), (8913, 9198)]