172689741

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{51719}}^1$

素因数の和:51785

約数の個数: 24

約数和(自身を含む): 290459520

約数和(自身を除く): 117769779

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 51719, 155157, 362033, 465471, 1086099, 2741107, 3258297, 8223321, 19187749, 24669963, 57563247, 172689741]

約数ペア:

[(1, 172689741), (3, 57563247), (7, 24669963), (9, 19187749), (21, 8223321), (53, 3258297), (63, 2741107), (159, 1086099), (371, 465471), (477, 362033), (1113, 155157), (3339, 51719)]