209175771

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{577}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 325677568

約数和(自身を除く): 116501797

約数列:

[1, 3, 7, 21, 61, 183, 283, 427, 577, 849, 1281, 1731, 1981, 4039, 5943, 12117, 17263, 35197, 51789, 105591, 120841, 163291, 246379, 362523, 489873, 739137, 1143037, 3429111, 9960751, 29882253, 69725257, 209175771]

約数ペア:

[(1, 209175771), (3, 69725257), (7, 29882253), (21, 9960751), (61, 3429111), (183, 1143037), (283, 739137), (427, 489873), (577, 362523), (849, 246379), (1281, 163291), (1731, 120841), (1981, 105591), (4039, 51789), (5943, 35197), (12117, 17263)]