25746273

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 45352320

約数和(自身を除く): 19606047

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 137, 157, 171, 399, 411, 471, 959, 1099, 1197, 1233, 1413, 2603, 2877, 2983, 3297, 7809, 8631, 8949, 9891, 18221, 20881, 21509, 23427, 26847, 54663, 62643, 64527, 150563, 163989, 187929, 193581, 408671, 451689, 1226013, 1355067, 2860697, 3678039, 8582091, 25746273]

約数ペア:

[(1, 25746273), (3, 8582091), (7, 3678039), (9, 2860697), (19, 1355067), (21, 1226013), (57, 451689), (63, 408671), (133, 193581), (137, 187929), (157, 163989), (171, 150563), (399, 64527), (411, 62643), (471, 54663), (959, 26847), (1099, 23427), (1197, 21509), (1233, 20881), (1413, 18221), (2603, 9891), (2877, 8949), (2983, 8631), (3297, 7809)]