12821626809

素因数分解:

$3^4\times {\mathrm{5531}}^1\times {\mathrm{28619}}^1$

素因数の和:34162

約数の個数: 20

約数和(自身を含む): 19157426640

約数和(自身を除く): 6335799831

約数列:

[1, 3, 9, 27, 81, 5531, 16593, 28619, 49779, 85857, 149337, 257571, 448011, 772713, 2318139, 158291689, 474875067, 1424625201, 4273875603, 12821626809]

約数ペア:

[(1, 12821626809), (3, 4273875603), (9, 1424625201), (27, 474875067), (81, 158291689), (5531, 2318139), (16593, 772713), (28619, 448011), (49779, 257571), (85857, 149337)]