31566429

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:133

約数の個数: 56

約数和(自身を含む): 51939360

約数和(自身を除く): 20372931

約数列:

[1, 3, 9, 19, 27, 43, 53, 57, 81, 129, 159, 171, 243, 387, 477, 513, 729, 817, 1007, 1161, 1431, 1539, 2279, 2451, 3021, 3483, 4293, 4617, 6837, 7353, 9063, 10449, 12879, 13851, 20511, 22059, 27189, 31347, 38637, 43301, 61533, 66177, 81567, 129903, 184599, 198531, 244701, 389709, 553797, 595593, 734103, 1169127, 1661391, 3507381, 10522143, 31566429]

約数ペア:

[(1, 31566429), (3, 10522143), (9, 3507381), (19, 1661391), (27, 1169127), (43, 734103), (53, 595593), (57, 553797), (81, 389709), (129, 244701), (159, 198531), (171, 184599), (243, 129903), (387, 81567), (477, 66177), (513, 61533), (729, 43301), (817, 38637), (1007, 31347), (1161, 27189), (1431, 22059), (1539, 20511), (2279, 13851), (2451, 12879), (3021, 10449), (3483, 9063), (4293, 7353), (4617, 6837)]