201991155

素因数分解:

$3^1\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{7477}}^1$

素因数の和:9286

約数の個数: 16

約数和(自身を含む): 323408544

約数和(自身を除く): 121417389

約数列:

[1, 3, 5, 15, 1801, 5403, 7477, 9005, 22431, 27015, 37385, 112155, 13466077, 40398231, 67330385, 201991155]

約数ペア:

[(1, 201991155), (3, 67330385), (5, 40398231), (15, 13466077), (1801, 112155), (5403, 37385), (7477, 27015), (9005, 22431)]