27678885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3301}}^1$

素因数の和:3365

約数の個数: 32

約数和(自身を含む): 48816768

約数和(自身を除く): 21137883

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 3301, 8385, 9903, 16505, 42913, 49515, 128739, 141943, 214565, 425829, 643695, 709715, 1845259, 2129145, 5535777, 9226295, 27678885]

約数ペア:

[(1, 27678885), (3, 9226295), (5, 5535777), (13, 2129145), (15, 1845259), (39, 709715), (43, 643695), (65, 425829), (129, 214565), (195, 141943), (215, 128739), (559, 49515), (645, 42913), (1677, 16505), (2795, 9903), (3301, 8385)]