2520393

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 3558912

約数和(自身を除く): 1038519

約数列:

[1, 3, 31, 41, 93, 123, 661, 1271, 1983, 3813, 20491, 27101, 61473, 81303, 840131, 2520393]

約数ペア:

[(1, 2520393), (3, 840131), (31, 81303), (41, 61473), (93, 27101), (123, 20491), (661, 3813), (1271, 1983)]