47278971

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{8221}}^1$

素因数の和:8304

約数の個数: 20

約数和(自身を含む): 71630064

約数和(自身を除く): 24351093

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 8221, 24663, 73989, 221967, 583691, 665901, 1751073, 5253219, 15759657, 47278971]

約数ペア:

[(1, 47278971), (3, 15759657), (9, 5253219), (27, 1751073), (71, 665901), (81, 583691), (213, 221967), (639, 73989), (1917, 24663), (5751, 8221)]