64894263

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1777}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 103778304

約数和(自身を除く): 38884041

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 777, 987, 1739, 1777, 5217, 5331, 12173, 12439, 36519, 37317, 65749, 83519, 197247, 250557, 460243, 584633, 1380729, 1753899, 3090203, 9270609, 21631421, 64894263]

約数ペア:

[(1, 64894263), (3, 21631421), (7, 9270609), (21, 3090203), (37, 1753899), (47, 1380729), (111, 584633), (141, 460243), (259, 250557), (329, 197247), (777, 83519), (987, 65749), (1739, 37317), (1777, 36519), (5217, 12439), (5331, 12173)]