247486827

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{1327}}^1$

素因数の和:1527

約数の個数: 32

約数和(自身を含む): 385523712

約数和(自身を除く): 138036885

約数列:

[1, 3, 7, 21, 83, 107, 249, 321, 581, 749, 1327, 1743, 2247, 3981, 8881, 9289, 26643, 27867, 62167, 110141, 141989, 186501, 330423, 425967, 770987, 993923, 2312961, 2981769, 11785087, 35355261, 82495609, 247486827]

約数ペア:

[(1, 247486827), (3, 82495609), (7, 35355261), (21, 11785087), (83, 2981769), (107, 2312961), (249, 993923), (321, 770987), (581, 425967), (749, 330423), (1327, 186501), (1743, 141989), (2247, 110141), (3981, 62167), (8881, 27867), (9289, 26643)]