25979751

素因数分解:

$3^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 45554400

約数和(自身を除く): 19574649

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 147, 189, 219, 269, 441, 511, 657, 807, 1323, 1533, 1883, 1971, 2421, 3577, 4599, 5649, 7263, 10731, 13181, 13797, 16947, 19637, 32193, 39543, 50841, 58911, 96579, 118629, 137459, 176733, 355887, 412377, 530199, 962213, 1237131, 2886639, 3711393, 8659917, 25979751]

約数ペア:

[(1, 25979751), (3, 8659917), (7, 3711393), (9, 2886639), (21, 1237131), (27, 962213), (49, 530199), (63, 412377), (73, 355887), (147, 176733), (189, 137459), (219, 118629), (269, 96579), (441, 58911), (511, 50841), (657, 39543), (807, 32193), (1323, 19637), (1533, 16947), (1883, 13797), (1971, 13181), (2421, 10731), (3577, 7263), (4599, 5649)]