128021229

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5507}}^1$

素因数の和:5567

約数の個数: 40

約数和(自身を含む): 223933248

約数和(自身を除く): 95912019

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 861, 1107, 2583, 3321, 5507, 7749, 16521, 23247, 38549, 49563, 115647, 148689, 225787, 346941, 446067, 677361, 1040823, 1580509, 2032083, 3122469, 4741527, 6096249, 14224581, 18288747, 42673743, 128021229]

約数ペア:

[(1, 128021229), (3, 42673743), (7, 18288747), (9, 14224581), (21, 6096249), (27, 4741527), (41, 3122469), (63, 2032083), (81, 1580509), (123, 1040823), (189, 677361), (287, 446067), (369, 346941), (567, 225787), (861, 148689), (1107, 115647), (2583, 49563), (3321, 38549), (5507, 23247), (7749, 16521)]