85566861

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 138378240

約数和(自身を除く): 52811379

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 171, 243, 387, 431, 513, 817, 1161, 1293, 1539, 2451, 3483, 3879, 4617, 7353, 8189, 10449, 11637, 18533, 22059, 24567, 34911, 55599, 66177, 73701, 104733, 166797, 198531, 221103, 352127, 500391, 663309, 1056381, 1501173, 1989927, 3169143, 4503519, 9507429, 28522287, 85566861]

約数ペア:

[(1, 85566861), (3, 28522287), (9, 9507429), (19, 4503519), (27, 3169143), (43, 1989927), (57, 1501173), (81, 1056381), (129, 663309), (171, 500391), (243, 352127), (387, 221103), (431, 198531), (513, 166797), (817, 104733), (1161, 73701), (1293, 66177), (1539, 55599), (2451, 34911), (3483, 24567), (3879, 22059), (4617, 18533), (7353, 11637), (8189, 10449)]