247316853

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{379903}}^1$

素因数の和:379944

約数の個数: 16

約数和(自身を含む): 389021696

約数和(自身を除く): 141704843

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 379903, 1139709, 2659321, 7977963, 11776993, 35330979, 82438951, 247316853]

約数ペア:

[(1, 247316853), (3, 82438951), (7, 35330979), (21, 11776993), (31, 7977963), (93, 2659321), (217, 1139709), (651, 379903)]