54136875

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2257

約数の個数: 40

約数和(自身を含む): 97181392

約数和(自身を除く): 43044517

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 625, 975, 1625, 1875, 2221, 4875, 6663, 8125, 11105, 24375, 28873, 33315, 55525, 86619, 144365, 166575, 277625, 433095, 721825, 832875, 1388125, 2165475, 3609125, 4164375, 10827375, 18045625, 54136875]

約数ペア:

[(1, 54136875), (3, 18045625), (5, 10827375), (13, 4164375), (15, 3609125), (25, 2165475), (39, 1388125), (65, 832875), (75, 721825), (125, 433095), (195, 277625), (325, 166575), (375, 144365), (625, 86619), (975, 55525), (1625, 33315), (1875, 28873), (2221, 24375), (4875, 11105), (6663, 8125)]