25371171

素因数分解:

$3^3\times 7^2\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 44359680

約数和(自身を除く): 18988509

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 127, 147, 151, 189, 381, 441, 453, 889, 1057, 1143, 1323, 1359, 2667, 3171, 3429, 4077, 6223, 7399, 8001, 9513, 18669, 19177, 22197, 24003, 28539, 56007, 57531, 66591, 134239, 168021, 172593, 199773, 402717, 517779, 939673, 1208151, 2819019, 3624453, 8457057, 25371171]

約数ペア:

[(1, 25371171), (3, 8457057), (7, 3624453), (9, 2819019), (21, 1208151), (27, 939673), (49, 517779), (63, 402717), (127, 199773), (147, 172593), (151, 168021), (189, 134239), (381, 66591), (441, 57531), (453, 56007), (889, 28539), (1057, 24003), (1143, 22197), (1323, 19177), (1359, 18669), (2667, 9513), (3171, 8001), (3429, 7399), (4077, 6223)]