205780338

素因数分解:

$2^1\times 3^4\times {\mathrm{1270249}}^1$

素因数の和:1270263

約数の個数: 20

約数和(自身を含む): 461100750

約数和(自身を除く): 255320412

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1270249, 2540498, 3810747, 7621494, 11432241, 22864482, 34296723, 68593446, 102890169, 205780338]

約数ペア:

[(1, 205780338), (2, 102890169), (3, 68593446), (6, 34296723), (9, 22864482), (18, 11432241), (27, 7621494), (54, 3810747), (81, 2540498), (162, 1270249)]