47215071

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 71064864

約数和(自身を除く): 23849793

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 1997, 2627, 5991, 7881, 17973, 23643, 73889, 141787, 221667, 425361, 665001, 1276083, 5246119, 15738357, 47215071]

約数ペア:

[(1, 47215071), (3, 15738357), (9, 5246119), (37, 1276083), (71, 665001), (111, 425361), (213, 221667), (333, 141787), (639, 73889), (1997, 23643), (2627, 17973), (5991, 7881)]