208098657

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 345316608

約数和(自身を除く): 137217951

約数列:

[1, 3, 9, 13, 39, 41, 47, 71, 117, 123, 141, 169, 213, 369, 423, 507, 533, 611, 639, 923, 1521, 1599, 1833, 1927, 2769, 2911, 3337, 4797, 5499, 5781, 6929, 7943, 8307, 8733, 10011, 11999, 17343, 20787, 23829, 25051, 26199, 30033, 35997, 37843, 43381, 62361, 71487, 75153, 107991, 113529, 130143, 136817, 225459, 325663, 340587, 390429, 410451, 491959, 563953, 976989, 1231353, 1475877, 1691859, 1778621, 2930967, 4427631, 5075577, 5335863, 16007589, 23122073, 69366219, 208098657]

約数ペア:

[(1, 208098657), (3, 69366219), (9, 23122073), (13, 16007589), (39, 5335863), (41, 5075577), (47, 4427631), (71, 2930967), (117, 1778621), (123, 1691859), (141, 1475877), (169, 1231353), (213, 976989), (369, 563953), (423, 491959), (507, 410451), (533, 390429), (611, 340587), (639, 325663), (923, 225459), (1521, 136817), (1599, 130143), (1833, 113529), (1927, 107991), (2769, 75153), (2911, 71487), (3337, 62361), (4797, 43381), (5499, 37843), (5781, 35997), (6929, 30033), (7943, 26199), (8307, 25051), (8733, 23829), (10011, 20787), (11999, 17343)]