71319609

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:551

約数の個数: 40

約数和(自身を含む): 111731400

約数和(自身を除く): 40411791

約数列:

[1, 3, 9, 27, 37, 53, 81, 111, 159, 333, 449, 477, 999, 1347, 1431, 1961, 2997, 4041, 4293, 5883, 12123, 16613, 17649, 23797, 36369, 49839, 52947, 71391, 149517, 158841, 214173, 448551, 642519, 880489, 1345653, 1927557, 2641467, 7924401, 23773203, 71319609]

約数ペア:

[(1, 71319609), (3, 23773203), (9, 7924401), (27, 2641467), (37, 1927557), (53, 1345653), (81, 880489), (111, 642519), (159, 448551), (333, 214173), (449, 158841), (477, 149517), (999, 71391), (1347, 52947), (1431, 49839), (1961, 36369), (2997, 23797), (4041, 17649), (4293, 16613), (5883, 12123)]