25820925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 46747008

約数和(自身を除く): 20926083

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 325, 355, 373, 923, 975, 1065, 1119, 1775, 1865, 2769, 4615, 4849, 5325, 5595, 9325, 13845, 14547, 23075, 24245, 26483, 27975, 69225, 72735, 79449, 121225, 132415, 344279, 363675, 397245, 662075, 1032837, 1721395, 1986225, 5164185, 8606975, 25820925]

約数ペア:

[(1, 25820925), (3, 8606975), (5, 5164185), (13, 1986225), (15, 1721395), (25, 1032837), (39, 662075), (65, 397245), (71, 363675), (75, 344279), (195, 132415), (213, 121225), (325, 79449), (355, 72735), (373, 69225), (923, 27975), (975, 26483), (1065, 24245), (1119, 23075), (1775, 14547), (1865, 13845), (2769, 9325), (4615, 5595), (4849, 5325)]