7767981

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{2459}}^1$

素因数の和:2487

約数の個数: 24

約数和(自身を含む): 12536160

約数和(自身を除く): 4768179

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 2459, 3159, 7377, 22131, 31967, 66393, 95901, 199179, 287703, 597537, 863109, 2589327, 7767981]

約数ペア:

[(1, 7767981), (3, 2589327), (9, 863109), (13, 597537), (27, 287703), (39, 199179), (81, 95901), (117, 66393), (243, 31967), (351, 22131), (1053, 7377), (2459, 3159)]