647490834

素因数分解:

$2^1\times 3^4\times {\mathrm{3996857}}^1$

素因数の和:3996871

約数の個数: 20

約数和(自身を含む): 1450859454

約数和(自身を除く): 803368620

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 3996857, 7993714, 11990571, 23981142, 35971713, 71943426, 107915139, 215830278, 323745417, 647490834]

約数ペア:

[(1, 647490834), (2, 323745417), (3, 215830278), (6, 107915139), (9, 71943426), (18, 35971713), (27, 23981142), (54, 11990571), (81, 7993714), (162, 3996857)]