25131141

素因数分解:

$3^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:495

約数の個数: 40

約数和(自身を含む): 43366400

約数和(自身を除く): 18235259

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 127, 189, 349, 381, 567, 889, 1047, 1143, 2443, 2667, 3141, 3429, 7329, 8001, 9423, 10287, 21987, 24003, 28269, 44323, 65961, 72009, 132969, 197883, 310261, 398907, 930783, 1196721, 2792349, 3590163, 8377047, 25131141]

約数ペア:

[(1, 25131141), (3, 8377047), (7, 3590163), (9, 2792349), (21, 1196721), (27, 930783), (63, 398907), (81, 310261), (127, 197883), (189, 132969), (349, 72009), (381, 65961), (567, 44323), (889, 28269), (1047, 24003), (1143, 21987), (2443, 10287), (2667, 9423), (3141, 8001), (3429, 7329)]