505178937

素因数分解:

$3^4\times {\mathrm{509}}^1\times {\mathrm{12253}}^1$

素因数の和:12774

約数の個数: 20

約数和(自身を含む): 756194340

約数和(自身を除く): 251015403

約数列:

[1, 3, 9, 27, 81, 509, 1527, 4581, 12253, 13743, 36759, 41229, 110277, 330831, 992493, 6236777, 18710331, 56130993, 168392979, 505178937]

約数ペア:

[(1, 505178937), (3, 168392979), (9, 56130993), (27, 18710331), (81, 6236777), (509, 992493), (1527, 330831), (4581, 110277), (12253, 41229), (13743, 36759)]