199339917

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{587}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 309184512

約数和(自身を除く): 109844595

約数列:

[1, 3, 7, 21, 103, 157, 309, 471, 587, 721, 1099, 1761, 2163, 3297, 4109, 12327, 16171, 48513, 60461, 92159, 113197, 181383, 276477, 339591, 423227, 645113, 1269681, 1935339, 9492377, 28477131, 66446639, 199339917]

約数ペア:

[(1, 199339917), (3, 66446639), (7, 28477131), (21, 9492377), (103, 1935339), (157, 1269681), (309, 645113), (471, 423227), (587, 339591), (721, 276477), (1099, 181383), (1761, 113197), (2163, 92159), (3297, 60461), (4109, 48513), (12327, 16171)]