25121811

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1947

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 15520749

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 1023, 1209, 1889, 4433, 5667, 13299, 20779, 24557, 58559, 62337, 73671, 175677, 270127, 644149, 761267, 810381, 1932447, 2283801, 8373937, 25121811]

約数ペア:

[(1, 25121811), (3, 8373937), (11, 2283801), (13, 1932447), (31, 810381), (33, 761267), (39, 644149), (93, 270127), (143, 175677), (341, 73671), (403, 62337), (429, 58559), (1023, 24557), (1209, 20779), (1889, 13299), (4433, 5667)]