254865663

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 427929600

約数和(自身を除く): 173063937

約数列:

[1, 3, 9, 13, 27, 31, 39, 59, 93, 117, 177, 279, 351, 397, 403, 531, 767, 837, 1191, 1209, 1593, 1829, 2301, 3573, 3627, 5161, 5487, 6903, 10719, 10881, 12307, 15483, 16461, 20709, 23423, 23777, 36921, 46449, 49383, 70269, 71331, 110763, 139347, 159991, 210807, 213993, 304499, 332289, 479973, 632421, 641979, 726113, 913497, 1439919, 2178339, 2740491, 4319757, 6535017, 8221473, 9439469, 19605051, 28318407, 84955221, 254865663]

約数ペア:

[(1, 254865663), (3, 84955221), (9, 28318407), (13, 19605051), (27, 9439469), (31, 8221473), (39, 6535017), (59, 4319757), (93, 2740491), (117, 2178339), (177, 1439919), (279, 913497), (351, 726113), (397, 641979), (403, 632421), (531, 479973), (767, 332289), (837, 304499), (1191, 213993), (1209, 210807), (1593, 159991), (1829, 139347), (2301, 110763), (3573, 71331), (3627, 70269), (5161, 49383), (5487, 46449), (6903, 36921), (10719, 23777), (10881, 23423), (12307, 20709), (15483, 16461)]