1257720003

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{4507957}}^1$

素因数の和:4507994

約数の個数: 12

約数和(自身を含む): 1875310528

約数和(自身を除く): 617590525

約数列:

[1, 3, 9, 31, 93, 279, 4507957, 13523871, 40571613, 139746667, 419240001, 1257720003]

約数ペア:

[(1, 1257720003), (3, 419240001), (9, 139746667), (31, 40571613), (93, 13523871), (279, 4507957)]