42872571

素因数分解:

$3^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{911}}^1$

素因数の和:1013

約数の個数: 40

約数和(自身を含む): 74156544

約数和(自身を除く): 31283973

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 83, 189, 249, 567, 581, 747, 911, 1743, 2241, 2733, 5229, 6377, 6723, 8199, 15687, 19131, 24597, 47061, 57393, 73791, 75613, 172179, 226839, 516537, 529291, 680517, 1587873, 2041551, 4763619, 6124653, 14290857, 42872571]

約数ペア:

[(1, 42872571), (3, 14290857), (7, 6124653), (9, 4763619), (21, 2041551), (27, 1587873), (63, 680517), (81, 529291), (83, 516537), (189, 226839), (249, 172179), (567, 75613), (581, 73791), (747, 57393), (911, 47061), (1743, 24597), (2241, 19131), (2733, 15687), (5229, 8199), (6377, 6723)]