1806345

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 3164616

約数和(自身を除く): 1358271

約数列:

[1, 3, 5, 9, 15, 45, 137, 293, 411, 685, 879, 1233, 1465, 2055, 2637, 4395, 6165, 13185, 40141, 120423, 200705, 361269, 602115, 1806345]

約数ペア:

[(1, 1806345), (3, 602115), (5, 361269), (9, 200705), (15, 120423), (45, 40141), (137, 13185), (293, 6165), (411, 4395), (685, 2637), (879, 2055), (1233, 1465)]