25204575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 45997056

約数和(自身を除く): 20792481

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 137, 165, 223, 275, 411, 669, 685, 825, 1115, 1507, 2055, 2453, 3345, 3425, 4521, 5575, 7359, 7535, 10275, 12265, 16725, 22605, 30551, 36795, 37675, 61325, 91653, 113025, 152755, 183975, 336061, 458265, 763775, 1008183, 1680305, 2291325, 5040915, 8401525, 25204575]

約数ペア:

[(1, 25204575), (3, 8401525), (5, 5040915), (11, 2291325), (15, 1680305), (25, 1008183), (33, 763775), (55, 458265), (75, 336061), (137, 183975), (165, 152755), (223, 113025), (275, 91653), (411, 61325), (669, 37675), (685, 36795), (825, 30551), (1115, 22605), (1507, 16725), (2055, 12265), (2453, 10275), (3345, 7535), (3425, 7359), (4521, 5575)]