243485275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{80491}}^1$

素因数の和:80523

約数の個数: 18

約数和(自身を含む): 331868516

約数和(自身を除く): 88383241

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 80491, 402455, 885401, 2012275, 4427005, 9739411, 22135025, 48697055, 243485275]

約数ペア:

[(1, 243485275), (5, 48697055), (11, 22135025), (25, 9739411), (55, 4427005), (121, 2012275), (275, 885401), (605, 402455), (3025, 80491)]