128723265

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{260047}}^1$

素因数の和:260069

約数の個数: 24

約数和(自身を含む): 243404928

約数和(自身を除く): 114681663

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 260047, 780141, 1300235, 2340423, 2860517, 3900705, 8581551, 11702115, 14302585, 25744653, 42907755, 128723265]

約数ペア:

[(1, 128723265), (3, 42907755), (5, 25744653), (9, 14302585), (11, 11702115), (15, 8581551), (33, 3900705), (45, 2860517), (55, 2340423), (99, 1300235), (165, 780141), (495, 260047)]