1276252605

素因数分解:

$3^4\times 5^1\times {\mathrm{3151241}}^1$

素因数の和:3151258

約数の個数: 20

約数和(自身を含む): 2287801692

約数和(自身を除く): 1011549087

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3151241, 9453723, 15756205, 28361169, 47268615, 85083507, 141805845, 255250521, 425417535, 1276252605]

約数ペア:

[(1, 1276252605), (3, 425417535), (5, 255250521), (9, 141805845), (15, 85083507), (27, 47268615), (45, 28361169), (81, 15756205), (135, 9453723), (405, 3151241)]