1678725

素因数分解:

$3^4\times 5^2\times {\mathrm{829}}^1$

素因数の和:851

約数の個数: 30

約数和(自身を含む): 3113330

約数和(自身を除く): 1434605

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 829, 2025, 2487, 4145, 7461, 12435, 20725, 22383, 37305, 62175, 67149, 111915, 186525, 335745, 559575, 1678725]

約数ペア:

[(1, 1678725), (3, 559575), (5, 335745), (9, 186525), (15, 111915), (25, 67149), (27, 62175), (45, 37305), (75, 22383), (81, 20725), (135, 12435), (225, 7461), (405, 4145), (675, 2487), (829, 2025)]