13278125

素因数分解:

$5^5\times 7^1\times {\mathrm{607}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 18998784

約数和(自身を除く): 5720659

約数列:

[1, 5, 7, 25, 35, 125, 175, 607, 625, 875, 3035, 3125, 4249, 4375, 15175, 21245, 21875, 75875, 106225, 379375, 531125, 1896875, 2655625, 13278125]

約数ペア:

[(1, 13278125), (5, 2655625), (7, 1896875), (25, 531125), (35, 379375), (125, 106225), (175, 75875), (607, 21875), (625, 21245), (875, 15175), (3035, 4375), (3125, 4249)]