203847021

素因数分解:

$3^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{9013}}^1$

素因数の和:9385

約数の個数: 24

約数和(自身を含む): 337484160

約数和(自身を除く): 133637139

約数列:

[1, 3, 7, 9, 21, 63, 359, 1077, 2513, 3231, 7539, 9013, 22617, 27039, 63091, 81117, 189273, 567819, 3235667, 9707001, 22649669, 29121003, 67949007, 203847021]

約数ペア:

[(1, 203847021), (3, 67949007), (7, 29121003), (9, 22649669), (21, 9707001), (63, 3235667), (359, 567819), (1077, 189273), (2513, 81117), (3231, 63091), (7539, 27039), (9013, 22617)]