25804779

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{661}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 46520064

約数和(自身を除く): 20715285

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 169, 231, 273, 429, 507, 661, 1001, 1183, 1859, 1983, 3003, 3549, 4627, 5577, 7271, 8593, 13013, 13881, 21813, 25779, 39039, 50897, 60151, 94523, 111709, 152691, 180453, 283569, 335127, 661661, 781963, 1228799, 1984983, 2345889, 3686397, 8601593, 25804779]

約数ペア:

[(1, 25804779), (3, 8601593), (7, 3686397), (11, 2345889), (13, 1984983), (21, 1228799), (33, 781963), (39, 661661), (77, 335127), (91, 283569), (143, 180453), (169, 152691), (231, 111709), (273, 94523), (429, 60151), (507, 50897), (661, 39039), (1001, 25779), (1183, 21813), (1859, 13881), (1983, 13013), (3003, 8593), (3549, 7271), (4627, 5577)]