3991923

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:265

約数の個数: 40

約数和(自身を含む): 6830208

約数和(自身を除く): 2838285

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 223, 351, 459, 663, 669, 1053, 1377, 1989, 2007, 2899, 3791, 5967, 6021, 8697, 11373, 17901, 18063, 26091, 34119, 49283, 78273, 102357, 147849, 234819, 307071, 443547, 1330641, 3991923]

約数ペア:

[(1, 3991923), (3, 1330641), (9, 443547), (13, 307071), (17, 234819), (27, 147849), (39, 102357), (51, 78273), (81, 49283), (117, 34119), (153, 26091), (221, 18063), (223, 17901), (351, 11373), (459, 8697), (663, 6021), (669, 5967), (1053, 3791), (1377, 2899), (1989, 2007)]