1780041

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 16

約数和(自身を含む): 2464128

約数和(自身を除く): 684087

約数列:

[1, 3, 61, 71, 137, 183, 213, 411, 4331, 8357, 9727, 12993, 25071, 29181, 593347, 1780041]

約数ペア:

[(1, 1780041), (3, 593347), (61, 29181), (71, 25071), (137, 12993), (183, 9727), (213, 8357), (411, 4331)]