27890655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{509}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 48323520

約数和(自身を除く): 20432865

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 281, 509, 843, 1405, 1527, 2545, 3653, 4215, 6617, 7635, 10959, 18265, 19851, 33085, 54795, 99255, 143029, 429087, 715145, 1859377, 2145435, 5578131, 9296885, 27890655]

約数ペア:

[(1, 27890655), (3, 9296885), (5, 5578131), (13, 2145435), (15, 1859377), (39, 715145), (65, 429087), (195, 143029), (281, 99255), (509, 54795), (843, 33085), (1405, 19851), (1527, 18265), (2545, 10959), (3653, 7635), (4215, 6617)]