1729202391

素因数分解:

$3^3\times 7^1\times {\mathrm{9149219}}^1$

素因数の和:9149235

約数の個数: 16

約数和(自身を含む): 2927750400

約数和(自身を除く): 1198548009

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 9149219, 27447657, 64044533, 82342971, 192133599, 247028913, 576400797, 1729202391]

約数ペア:

[(1, 1729202391), (3, 576400797), (7, 247028913), (9, 192133599), (21, 82342971), (27, 64044533), (63, 27447657), (189, 9149219)]