25953837

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 43849728

約数和(自身を除く): 17895891

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 103, 169, 213, 273, 309, 497, 507, 721, 923, 1183, 1339, 1491, 2163, 2769, 3549, 4017, 6461, 7313, 9373, 11999, 17407, 19383, 21939, 28119, 35997, 51191, 52221, 83993, 95069, 121849, 153573, 251979, 285207, 365547, 665483, 1235897, 1996449, 3707691, 8651279, 25953837]

約数ペア:

[(1, 25953837), (3, 8651279), (7, 3707691), (13, 1996449), (21, 1235897), (39, 665483), (71, 365547), (91, 285207), (103, 251979), (169, 153573), (213, 121849), (273, 95069), (309, 83993), (497, 52221), (507, 51191), (721, 35997), (923, 28119), (1183, 21939), (1339, 19383), (1491, 17407), (2163, 11999), (2769, 9373), (3549, 7313), (4017, 6461)]