84124989

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 143881920

約数和(自身を除く): 59756931

約数列:

[1, 3, 9, 13, 19, 39, 41, 57, 71, 117, 123, 169, 171, 213, 247, 369, 507, 533, 639, 741, 779, 923, 1349, 1521, 1599, 2223, 2337, 2769, 2911, 3211, 4047, 4797, 6929, 7011, 8307, 8733, 9633, 10127, 11999, 12141, 17537, 20787, 26199, 28899, 30381, 35997, 37843, 52611, 55309, 62361, 91143, 107991, 113529, 131651, 157833, 165927, 227981, 340587, 394953, 491959, 497781, 683943, 719017, 1184859, 1475877, 2051829, 2157051, 4427631, 6471153, 9347221, 28041663, 84124989]

約数ペア:

[(1, 84124989), (3, 28041663), (9, 9347221), (13, 6471153), (19, 4427631), (39, 2157051), (41, 2051829), (57, 1475877), (71, 1184859), (117, 719017), (123, 683943), (169, 497781), (171, 491959), (213, 394953), (247, 340587), (369, 227981), (507, 165927), (533, 157833), (639, 131651), (741, 113529), (779, 107991), (923, 91143), (1349, 62361), (1521, 55309), (1599, 52611), (2223, 37843), (2337, 35997), (2769, 30381), (2911, 28899), (3211, 26199), (4047, 20787), (4797, 17537), (6929, 12141), (7011, 11999), (8307, 10127), (8733, 9633)]