6401997

素因数分解:

$3^4\times 7^2\times {\mathrm{1613}}^1$

素因数の和:1639

約数の個数: 30

約数和(自身を含む): 11131758

約数和(自身を除く): 4729761

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 1613, 3969, 4839, 11291, 14517, 33873, 43551, 79037, 101619, 130653, 237111, 304857, 711333, 914571, 2133999, 6401997]

約数ペア:

[(1, 6401997), (3, 2133999), (7, 914571), (9, 711333), (21, 304857), (27, 237111), (49, 130653), (63, 101619), (81, 79037), (147, 43551), (189, 33873), (441, 14517), (567, 11291), (1323, 4839), (1613, 3969)]