16307739

素因数分解:

$3^2\times 7^2\times {\mathrm{36979}}^1$

素因数の和:36999

約数の個数: 18

約数和(自身を含む): 27402180

約数和(自身を除く): 11094441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 36979, 110937, 258853, 332811, 776559, 1811971, 2329677, 5435913, 16307739]

約数ペア:

[(1, 16307739), (3, 5435913), (7, 2329677), (9, 1811971), (21, 776559), (49, 332811), (63, 258853), (147, 110937), (441, 36979)]