57721293

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 99066240

約数和(自身を除く): 41344947

約数列:

[1, 3, 7, 9, 21, 53, 59, 63, 159, 177, 293, 371, 413, 477, 531, 879, 1113, 1239, 2051, 2637, 3127, 3339, 3717, 6153, 9381, 15529, 17287, 18459, 21889, 28143, 46587, 51861, 65667, 108703, 121009, 139761, 155583, 197001, 326109, 363027, 916211, 978327, 1089081, 2748633, 6413477, 8245899, 19240431, 57721293]

約数ペア:

[(1, 57721293), (3, 19240431), (7, 8245899), (9, 6413477), (21, 2748633), (53, 1089081), (59, 978327), (63, 916211), (159, 363027), (177, 326109), (293, 197001), (371, 155583), (413, 139761), (477, 121009), (531, 108703), (879, 65667), (1113, 51861), (1239, 46587), (2051, 28143), (2637, 21889), (3127, 18459), (3339, 17287), (3717, 15529), (6153, 9381)]