1561671

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 2442960

約数和(自身を除く): 881289

約数列:

[1, 3, 9, 17, 51, 59, 153, 173, 177, 519, 531, 1003, 1557, 2941, 3009, 8823, 9027, 10207, 26469, 30621, 91863, 173519, 520557, 1561671]

約数ペア:

[(1, 1561671), (3, 520557), (9, 173519), (17, 91863), (51, 30621), (59, 26469), (153, 10207), (173, 9027), (177, 8823), (519, 3009), (531, 2941), (1003, 1557)]