71310057

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 119743488

約数和(自身を除く): 48433431

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 169, 213, 273, 283, 497, 507, 849, 923, 1183, 1491, 1981, 2769, 3549, 3679, 5943, 6461, 11037, 11999, 19383, 20093, 25753, 35997, 47827, 60279, 77259, 83993, 140651, 143481, 251979, 261209, 334789, 421953, 783627, 1004367, 1828463, 3395717, 5485389, 10187151, 23770019, 71310057]

約数ペア:

[(1, 71310057), (3, 23770019), (7, 10187151), (13, 5485389), (21, 3395717), (39, 1828463), (71, 1004367), (91, 783627), (169, 421953), (213, 334789), (273, 261209), (283, 251979), (497, 143481), (507, 140651), (849, 83993), (923, 77259), (1183, 60279), (1491, 47827), (1981, 35997), (2769, 25753), (3549, 20093), (3679, 19383), (5943, 11999), (6461, 11037)]