67428718839

素因数分解:

$3^4\times {\mathrm{1607}}^1\times {\mathrm{518017}}^1$

素因数の和:519636

約数の個数: 20

約数和(自身を含む): 100789726224

約数和(自身を除く): 33361007385

約数列:

[1, 3, 9, 27, 81, 1607, 4821, 14463, 43389, 130167, 518017, 1554051, 4662153, 13986459, 41959377, 832453319, 2497359957, 7492079871, 22476239613, 67428718839]

約数ペア:

[(1, 67428718839), (3, 22476239613), (9, 7492079871), (27, 2497359957), (81, 832453319), (1607, 41959377), (4821, 13986459), (14463, 4662153), (43389, 1554051), (130167, 518017)]