644193

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 1057056

約数和(自身を除く): 412863

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 241, 243, 297, 723, 891, 2169, 2651, 2673, 6507, 7953, 19521, 23859, 58563, 71577, 214731, 644193]

約数ペア:

[(1, 644193), (3, 214731), (9, 71577), (11, 58563), (27, 23859), (33, 19521), (81, 7953), (99, 6507), (241, 2673), (243, 2651), (297, 2169), (723, 891)]