42821875

素因数分解:

$5^5\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 54559008

約数和(自身を除く): 11737133

約数列:

[1, 5, 25, 71, 125, 193, 355, 625, 965, 1775, 3125, 4825, 8875, 13703, 24125, 44375, 68515, 120625, 221875, 342575, 603125, 1712875, 8564375, 42821875]

約数ペア:

[(1, 42821875), (5, 8564375), (25, 1712875), (71, 603125), (125, 342575), (193, 221875), (355, 120625), (625, 68515), (965, 44375), (1775, 24125), (3125, 13703), (4825, 8875)]