260339931

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{23197}}^1$

素因数の和:23275

約数の個数: 24

約数和(自身を含む): 398077680

約数和(自身を除く): 137737749

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 3741, 11223, 23197, 69591, 208773, 672713, 997471, 2018139, 2992413, 6054417, 8977239, 28926659, 86779977, 260339931]

約数ペア:

[(1, 260339931), (3, 86779977), (9, 28926659), (29, 8977239), (43, 6054417), (87, 2992413), (129, 2018139), (261, 997471), (387, 672713), (1247, 208773), (3741, 69591), (11223, 23197)]