277351347

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 474163200

約数和(自身を除く): 196811853

約数列:

[1, 3, 7, 13, 21, 39, 41, 71, 91, 123, 213, 273, 287, 349, 497, 533, 861, 923, 1047, 1491, 1599, 2443, 2769, 2911, 3731, 4537, 6461, 7329, 8733, 11193, 13611, 14309, 19383, 20377, 24779, 31759, 37843, 42927, 61131, 74337, 95277, 100163, 113529, 173453, 186017, 264901, 300489, 322127, 520359, 558051, 794703, 966381, 1015939, 1302119, 2254889, 3047817, 3906357, 6764667, 7111573, 13207207, 21334719, 39621621, 92450449, 277351347]

約数ペア:

[(1, 277351347), (3, 92450449), (7, 39621621), (13, 21334719), (21, 13207207), (39, 7111573), (41, 6764667), (71, 3906357), (91, 3047817), (123, 2254889), (213, 1302119), (273, 1015939), (287, 966381), (349, 794703), (497, 558051), (533, 520359), (861, 322127), (923, 300489), (1047, 264901), (1491, 186017), (1599, 173453), (2443, 113529), (2769, 100163), (2911, 95277), (3731, 74337), (4537, 61131), (6461, 42927), (7329, 37843), (8733, 31759), (11193, 24779), (13611, 20377), (14309, 19383)]