128977905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53407}}^1$

素因数の和:53445

約数の個数: 32

約数和(自身を含む): 246104064

約数和(自身を除く): 117126159

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 53407, 160221, 267035, 373849, 801105, 1121547, 1228361, 1869245, 3685083, 5607735, 6141805, 8598527, 18425415, 25795581, 42992635, 128977905]

約数ペア:

[(1, 128977905), (3, 42992635), (5, 25795581), (7, 18425415), (15, 8598527), (21, 6141805), (23, 5607735), (35, 3685083), (69, 1869245), (105, 1228361), (115, 1121547), (161, 801105), (345, 373849), (483, 267035), (805, 160221), (2415, 53407)]