81990462

素因数分解:

$2^1\times 3^1\times {\mathrm{107}}^1\times {\mathrm{127711}}^1$

素因数の和:127823

約数の個数: 16

約数和(自身を含む): 165514752

約数和(自身を除く): 83524290

約数列:

[1, 2, 3, 6, 107, 214, 321, 642, 127711, 255422, 383133, 766266, 13665077, 27330154, 40995231, 81990462]

約数ペア:

[(1, 81990462), (2, 40995231), (3, 27330154), (6, 13665077), (107, 766266), (214, 383133), (321, 255422), (642, 127711)]