258064677

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 437176320

約数和(自身を除く): 179111643

約数列:

[1, 3, 9, 13, 27, 31, 37, 39, 93, 111, 117, 279, 333, 351, 403, 481, 641, 837, 999, 1147, 1209, 1443, 1923, 3441, 3627, 4329, 5769, 8333, 10323, 10881, 12987, 14911, 17307, 19871, 23717, 24999, 30969, 44733, 59613, 71151, 74997, 134199, 178839, 213453, 224991, 258323, 308321, 402597, 536517, 640359, 735227, 774969, 924963, 2205681, 2324907, 2774889, 6617043, 6974721, 8324667, 9557951, 19851129, 28673853, 86021559, 258064677]

約数ペア:

[(1, 258064677), (3, 86021559), (9, 28673853), (13, 19851129), (27, 9557951), (31, 8324667), (37, 6974721), (39, 6617043), (93, 2774889), (111, 2324907), (117, 2205681), (279, 924963), (333, 774969), (351, 735227), (403, 640359), (481, 536517), (641, 402597), (837, 308321), (999, 258323), (1147, 224991), (1209, 213453), (1443, 178839), (1923, 134199), (3441, 74997), (3627, 71151), (4329, 59613), (5769, 44733), (8333, 30969), (10323, 24999), (10881, 23717), (12987, 19871), (14911, 17307)]