1728125

素因数分解:

$5^5\times 7^1\times {\mathrm{79}}^1$

素因数の和:111

約数の個数: 24

約数和(自身を含む): 2499840

約数和(自身を除く): 771715

約数列:

[1, 5, 7, 25, 35, 79, 125, 175, 395, 553, 625, 875, 1975, 2765, 3125, 4375, 9875, 13825, 21875, 49375, 69125, 246875, 345625, 1728125]

約数ペア:

[(1, 1728125), (5, 345625), (7, 246875), (25, 69125), (35, 49375), (79, 21875), (125, 13825), (175, 9875), (395, 4375), (553, 3125), (625, 2765), (875, 1975)]