78338211

素因数分解:

$3^1\times 7^2\times {\mathrm{463}}^1\times {\mathrm{1151}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 121872384

約数和(自身を除く): 43534173

約数列:

[1, 3, 7, 21, 49, 147, 463, 1151, 1389, 3241, 3453, 8057, 9723, 22687, 24171, 56399, 68061, 169197, 532913, 1598739, 3730391, 11191173, 26112737, 78338211]

約数ペア:

[(1, 78338211), (3, 26112737), (7, 11191173), (21, 3730391), (49, 1598739), (147, 532913), (463, 169197), (1151, 68061), (1389, 56399), (3241, 24171), (3453, 22687), (8057, 9723)]