2556135

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 4537104

約数和(自身を除く): 1980969

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1321, 1935, 3963, 6605, 11889, 19815, 56803, 59445, 170409, 284015, 511227, 852045, 2556135]

約数ペア:

[(1, 2556135), (3, 852045), (5, 511227), (9, 284015), (15, 170409), (43, 59445), (45, 56803), (129, 19815), (215, 11889), (387, 6605), (645, 3963), (1321, 1935)]