1937115

素因数分解:

$3^4\times 5^1\times {\mathrm{4783}}^1$

素因数の和:4800

約数の個数: 20

約数和(自身を含む): 3473184

約数和(自身を除く): 1536069

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4783, 14349, 23915, 43047, 71745, 129141, 215235, 387423, 645705, 1937115]

約数ペア:

[(1, 1937115), (3, 645705), (5, 387423), (9, 215235), (15, 129141), (27, 71745), (45, 43047), (81, 23915), (135, 14349), (405, 4783)]