2721875

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:105

約数の個数: 24

約数和(自身を含む): 3718512

約数和(自身を除く): 996637

約数列:

[1, 5, 13, 25, 65, 67, 125, 325, 335, 625, 871, 1625, 1675, 3125, 4355, 8125, 8375, 21775, 40625, 41875, 108875, 209375, 544375, 2721875]

約数ペア:

[(1, 2721875), (5, 544375), (13, 209375), (25, 108875), (65, 41875), (67, 40625), (125, 21775), (325, 8375), (335, 8125), (625, 4355), (871, 3125), (1625, 1675)]