5221905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 9166080

約数和(自身を除く): 3944175

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 439, 793, 915, 1317, 2195, 2379, 3965, 5707, 6585, 11895, 17121, 26779, 28535, 80337, 85605, 133895, 348127, 401685, 1044381, 1740635, 5221905]

約数ペア:

[(1, 5221905), (3, 1740635), (5, 1044381), (13, 401685), (15, 348127), (39, 133895), (61, 85605), (65, 80337), (183, 28535), (195, 26779), (305, 17121), (439, 11895), (793, 6585), (915, 5707), (1317, 3965), (2195, 2379)]