205079427

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{75703}}^1$

素因数の和:75759

約数の個数: 24

約数和(自身を含む): 346421504

約数和(自身を除く): 141342077

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 75703, 227109, 529921, 681327, 1589763, 3255229, 4769289, 9765687, 22786603, 29297061, 68359809, 205079427]

約数ペア:

[(1, 205079427), (3, 68359809), (7, 29297061), (9, 22786603), (21, 9765687), (43, 4769289), (63, 3255229), (129, 1589763), (301, 681327), (387, 529921), (903, 227109), (2709, 75703)]