128247138

素因数分解:

$2^1\times 3^6\times {\mathrm{87961}}^1$

素因数の和:87981

約数の個数: 28

約数和(自身を含む): 288427398

約数和(自身を除く): 160180260

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 87961, 175922, 263883, 527766, 791649, 1583298, 2374947, 4749894, 7124841, 14249682, 21374523, 42749046, 64123569, 128247138]

約数ペア:

[(1, 128247138), (2, 64123569), (3, 42749046), (6, 21374523), (9, 14249682), (18, 7124841), (27, 4749894), (54, 2374947), (81, 1583298), (162, 791649), (243, 527766), (486, 263883), (729, 175922), (1458, 87961)]