81178695

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{719}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 152530560

約数和(自身を除く): 71351865

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 193, 195, 579, 585, 719, 965, 1737, 2157, 2509, 2895, 3595, 6471, 7527, 8685, 9347, 10785, 12545, 22581, 28041, 32355, 37635, 46735, 84123, 112905, 138767, 140205, 416301, 420615, 693835, 1248903, 1803971, 2081505, 5411913, 6244515, 9019855, 16235739, 27059565, 81178695]

約数ペア:

[(1, 81178695), (3, 27059565), (5, 16235739), (9, 9019855), (13, 6244515), (15, 5411913), (39, 2081505), (45, 1803971), (65, 1248903), (117, 693835), (193, 420615), (195, 416301), (579, 140205), (585, 138767), (719, 112905), (965, 84123), (1737, 46735), (2157, 37635), (2509, 32355), (2895, 28041), (3595, 22581), (6471, 12545), (7527, 10785), (8685, 9347)]