1280496609

素因数分解:

$3^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{71821}}^1$

素因数の和:72117

約数の個数: 24

約数和(自身を含む): 2121334592

約数和(自身を除く): 840837983

約数列:

[1, 3, 7, 9, 21, 63, 283, 849, 1981, 2547, 5943, 17829, 71821, 215463, 502747, 646389, 1508241, 4524723, 20325343, 60976029, 142277401, 182928087, 426832203, 1280496609]

約数ペア:

[(1, 1280496609), (3, 426832203), (7, 182928087), (9, 142277401), (21, 60976029), (63, 20325343), (283, 4524723), (849, 1508241), (1981, 646389), (2547, 502747), (5943, 215463), (17829, 71821)]