25919205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2179}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 45413760

約数和(自身を除く): 19494555

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 2179, 2379, 3965, 6537, 10895, 11895, 28327, 32685, 84981, 132919, 141635, 398757, 424905, 664595, 1727947, 1993785, 5183841, 8639735, 25919205]

約数ペア:

[(1, 25919205), (3, 8639735), (5, 5183841), (13, 1993785), (15, 1727947), (39, 664595), (61, 424905), (65, 398757), (183, 141635), (195, 132919), (305, 84981), (793, 32685), (915, 28327), (2179, 11895), (2379, 10895), (3965, 6537)]