25822215

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 47586240

約数和(自身を除く): 21764025

約数列:

[1, 3, 5, 9, 15, 23, 45, 61, 69, 115, 183, 207, 305, 345, 409, 549, 915, 1035, 1227, 1403, 2045, 2745, 3681, 4209, 6135, 7015, 9407, 12627, 18405, 21045, 24949, 28221, 47035, 63135, 74847, 84663, 124745, 141105, 224541, 374235, 423315, 573827, 1122705, 1721481, 2869135, 5164443, 8607405, 25822215]

約数ペア:

[(1, 25822215), (3, 8607405), (5, 5164443), (9, 2869135), (15, 1721481), (23, 1122705), (45, 573827), (61, 423315), (69, 374235), (115, 224541), (183, 141105), (207, 124745), (305, 84663), (345, 74847), (409, 63135), (549, 47035), (915, 28221), (1035, 24949), (1227, 21045), (1403, 18405), (2045, 12627), (2745, 9407), (3681, 7015), (4209, 6135)]