2731381317

素因数分解:

$3^4\times 7^1\times {\mathrm{991}}^1\times {\mathrm{4861}}^1$

素因数の和:5871

約数の個数: 40

約数和(自身を含む): 4668764672

約数和(自身を除く): 1937383355

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 991, 2973, 4861, 6937, 8919, 14583, 20811, 26757, 34027, 43749, 62433, 80271, 102081, 131247, 187299, 306243, 393741, 561897, 918729, 2756187, 4817251, 14451753, 33720757, 43355259, 101162271, 130065777, 303486813, 390197331, 910460439, 2731381317]

約数ペア:

[(1, 2731381317), (3, 910460439), (7, 390197331), (9, 303486813), (21, 130065777), (27, 101162271), (63, 43355259), (81, 33720757), (189, 14451753), (567, 4817251), (991, 2756187), (2973, 918729), (4861, 561897), (6937, 393741), (8919, 306243), (14583, 187299), (20811, 131247), (26757, 102081), (34027, 80271), (43749, 62433)]