213364905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 387942912

約数和(自身を除く): 174578007

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 113, 115, 195, 299, 339, 345, 421, 565, 897, 1263, 1469, 1495, 1695, 2105, 2599, 4407, 4485, 5473, 6315, 7345, 7797, 9683, 12995, 16419, 22035, 27365, 29049, 33787, 38985, 47573, 48415, 82095, 101361, 125879, 142719, 145245, 168935, 237865, 377637, 506805, 618449, 629395, 713595, 1094179, 1855347, 1888185, 3092245, 3282537, 5470895, 9276735, 14224327, 16412685, 42672981, 71121635, 213364905]

約数ペア:

[(1, 213364905), (3, 71121635), (5, 42672981), (13, 16412685), (15, 14224327), (23, 9276735), (39, 5470895), (65, 3282537), (69, 3092245), (113, 1888185), (115, 1855347), (195, 1094179), (299, 713595), (339, 629395), (345, 618449), (421, 506805), (565, 377637), (897, 237865), (1263, 168935), (1469, 145245), (1495, 142719), (1695, 125879), (2105, 101361), (2599, 82095), (4407, 48415), (4485, 47573), (5473, 38985), (6315, 33787), (7345, 29049), (7797, 27365), (9683, 22035), (12995, 16419)]