641384217

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{448207}}^1$

素因数の和:448269

約数の個数: 16

約数和(自身を含む): 968129280

約数和(自身を除く): 326745063

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 448207, 1344621, 4033863, 12101589, 23754971, 71264913, 213794739, 641384217]

約数ペア:

[(1, 641384217), (3, 213794739), (9, 71264913), (27, 23754971), (53, 12101589), (159, 4033863), (477, 1344621), (1431, 448207)]