164101581

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 279212544

約数和(自身を除く): 115110963

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 157, 329, 353, 423, 471, 987, 1059, 1099, 1413, 2471, 2961, 3177, 3297, 7379, 7413, 9891, 16591, 22137, 22239, 49773, 51653, 55421, 66411, 116137, 149319, 154959, 166263, 348411, 387947, 464877, 498789, 1045233, 1163841, 2604787, 3491523, 7814361, 18233509, 23443083, 54700527, 164101581]

約数ペア:

[(1, 164101581), (3, 54700527), (7, 23443083), (9, 18233509), (21, 7814361), (47, 3491523), (63, 2604787), (141, 1163841), (157, 1045233), (329, 498789), (353, 464877), (423, 387947), (471, 348411), (987, 166263), (1059, 154959), (1099, 149319), (1413, 116137), (2471, 66411), (2961, 55421), (3177, 51653), (3297, 49773), (7379, 22239), (7413, 22137), (9891, 16591)]