17099901

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20879}}^1$

素因数の和:20905

約数の個数: 24

約数和(自身を含む): 30401280

約数和(自身を除く): 13301379

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 20879, 62637, 146153, 187911, 271427, 438459, 814281, 1315377, 1899989, 2442843, 5699967, 17099901]

約数ペア:

[(1, 17099901), (3, 5699967), (7, 2442843), (9, 1899989), (13, 1315377), (21, 814281), (39, 438459), (63, 271427), (91, 187911), (117, 146153), (273, 62637), (819, 20879)]