804947139

素因数分解:

$3^4\times {\mathrm{631}}^1\times {\mathrm{15749}}^1$

素因数の和:16392

約数の個数: 20

約数和(自身を含む): 1204434000

約数和(自身を除く): 399486861

約数列:

[1, 3, 9, 27, 81, 631, 1893, 5679, 15749, 17037, 47247, 51111, 141741, 425223, 1275669, 9937619, 29812857, 89438571, 268315713, 804947139]

約数ペア:

[(1, 804947139), (3, 268315713), (9, 89438571), (27, 29812857), (81, 9937619), (631, 1275669), (1893, 425223), (5679, 141741), (15749, 51111), (17037, 47247)]