25309431

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1979}}^1$

素因数の和:2028

約数の個数: 36

約数和(自身を含む): 44015400

約数和(自身を除く): 18705969

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 1979, 4263, 5937, 12789, 13853, 17811, 41559, 57391, 96971, 124677, 172173, 290913, 401737, 516519, 872739, 1205211, 2812159, 3615633, 8436477, 25309431]

約数ペア:

[(1, 25309431), (3, 8436477), (7, 3615633), (9, 2812159), (21, 1205211), (29, 872739), (49, 516519), (63, 401737), (87, 290913), (147, 172173), (203, 124677), (261, 96971), (441, 57391), (609, 41559), (1421, 17811), (1827, 13853), (1979, 12789), (4263, 5937)]