1200000009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1783}}^1\times {\mathrm{17257}}^1$

素因数の和:19056

約数の個数: 16

約数和(自身を含む): 1724143232

約数和(自身を除く): 524143223

約数列:

[1, 3, 13, 39, 1783, 5349, 17257, 23179, 51771, 69537, 224341, 673023, 30769231, 92307693, 400000003, 1200000009]

約数ペア:

[(1, 1200000009), (3, 400000003), (13, 92307693), (39, 30769231), (1783, 673023), (5349, 224341), (17257, 69537), (23179, 51771)]