388528005

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{3607}}^1$

素因数の和:3825

約数の個数: 32

約数和(自身を含む): 640088064

約数和(自身を除く): 251560059

約数列:

[1, 3, 5, 15, 43, 129, 167, 215, 501, 645, 835, 2505, 3607, 7181, 10821, 18035, 21543, 35905, 54105, 107715, 155101, 465303, 602369, 775505, 1807107, 2326515, 3011845, 9035535, 25901867, 77705601, 129509335, 388528005]

約数ペア:

[(1, 388528005), (3, 129509335), (5, 77705601), (15, 25901867), (43, 9035535), (129, 3011845), (167, 2326515), (215, 1807107), (501, 775505), (645, 602369), (835, 465303), (2505, 155101), (3607, 107715), (7181, 54105), (10821, 35905), (18035, 21543)]