199911105

素因数分解:

$3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7753}}^1$

素因数の和:7958

約数の個数: 32

約数和(自身を含む): 357304320

約数和(自身を除く): 157393215

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 191, 573, 955, 1719, 2865, 5157, 7753, 8595, 23259, 25785, 38765, 69777, 116295, 209331, 348885, 1046655, 1480823, 4442469, 7404115, 13327407, 22212345, 39982221, 66637035, 199911105]

約数ペア:

[(1, 199911105), (3, 66637035), (5, 39982221), (9, 22212345), (15, 13327407), (27, 7404115), (45, 4442469), (135, 1480823), (191, 1046655), (573, 348885), (955, 209331), (1719, 116295), (2865, 69777), (5157, 38765), (7753, 25785), (8595, 23259)]