12728930109

素因数分解:

$3^1\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{458849}}^1$

素因数の和:460180

約数の個数: 16

約数和(自身を含む): 19411190400

約数和(自身を除く): 6682260291

約数列:

[1, 3, 7, 21, 1321, 3963, 9247, 27741, 458849, 1376547, 3211943, 9635829, 606139529, 1818418587, 4242976703, 12728930109]

約数ペア:

[(1, 12728930109), (3, 4242976703), (7, 1818418587), (21, 606139529), (1321, 9635829), (3963, 3211943), (9247, 1376547), (27741, 458849)]