1298817

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 2142504

約数和(自身を除く): 843687

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 653, 663, 1959, 1989, 5877, 8489, 11101, 25467, 33303, 76401, 99909, 144313, 432939, 1298817]

約数ペア:

[(1, 1298817), (3, 432939), (9, 144313), (13, 99909), (17, 76401), (39, 33303), (51, 25467), (117, 11101), (153, 8489), (221, 5877), (653, 1989), (663, 1959)]