128861205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{4363}}^1$

素因数の和:4561

約数の個数: 32

約数和(自身を含む): 226229760

約数和(自身を除く): 97368555

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 179, 537, 895, 1969, 2685, 4363, 5907, 9845, 13089, 21815, 29535, 47993, 65445, 143979, 239965, 719895, 780977, 2342931, 3904885, 8590747, 11714655, 25772241, 42953735, 128861205]

約数ペア:

[(1, 128861205), (3, 42953735), (5, 25772241), (11, 11714655), (15, 8590747), (33, 3904885), (55, 2342931), (165, 780977), (179, 719895), (537, 239965), (895, 143979), (1969, 65445), (2685, 47993), (4363, 29535), (5907, 21815), (9845, 13089)]