1520673669

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2971}}^1$

素因数の和:3143

約数の個数: 40

約数和(自身を含む): 2330285760

約数和(自身を除く): 809612091

約数列:

[1, 3, 9, 27, 71, 81, 89, 213, 267, 639, 801, 1917, 2403, 2971, 5751, 6319, 7209, 8913, 18957, 26739, 56871, 80217, 170613, 210941, 240651, 264419, 511839, 632823, 793257, 1898469, 2379771, 5695407, 7139313, 17086221, 18773749, 21417939, 56321247, 168963741, 506891223, 1520673669]

約数ペア:

[(1, 1520673669), (3, 506891223), (9, 168963741), (27, 56321247), (71, 21417939), (81, 18773749), (89, 17086221), (213, 7139313), (267, 5695407), (639, 2379771), (801, 1898469), (1917, 793257), (2403, 632823), (2971, 511839), (5751, 264419), (6319, 240651), (7209, 210941), (8913, 170613), (18957, 80217), (26739, 56871)]