8991945

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1606

約数の個数: 32

約数和(自身を含む): 16368000

約数和(自身を除く): 7376055

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1549, 1935, 4647, 5805, 7745, 13941, 23235, 41823, 66607, 69705, 199821, 209115, 333035, 599463, 999105, 1798389, 2997315, 8991945]

約数ペア:

[(1, 8991945), (3, 2997315), (5, 1798389), (9, 999105), (15, 599463), (27, 333035), (43, 209115), (45, 199821), (129, 69705), (135, 66607), (215, 41823), (387, 23235), (645, 13941), (1161, 7745), (1549, 5805), (1935, 4647)]