28765611

素因数分解:

$3^7\times 7^1\times {\mathrm{1879}}^1$

素因数の和:1907

約数の個数: 32

約数和(自身を含む): 49331200

約数和(自身を除く): 20565589

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 1879, 2187, 5103, 5637, 13153, 15309, 16911, 39459, 50733, 118377, 152199, 355131, 456597, 1065393, 1369791, 3196179, 4109373, 9588537, 28765611]

約数ペア:

[(1, 28765611), (3, 9588537), (7, 4109373), (9, 3196179), (21, 1369791), (27, 1065393), (63, 456597), (81, 355131), (189, 152199), (243, 118377), (567, 50733), (729, 39459), (1701, 16911), (1879, 15309), (2187, 13153), (5103, 5637)]