9781854

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 20715264

約数和(自身を除く): 10933410

約数列:

[1, 2, 3, 6, 23, 46, 69, 73, 138, 146, 219, 438, 971, 1679, 1942, 2913, 3358, 5037, 5826, 10074, 22333, 44666, 66999, 70883, 133998, 141766, 212649, 425298, 1630309, 3260618, 4890927, 9781854]

約数ペア:

[(1, 9781854), (2, 4890927), (3, 3260618), (6, 1630309), (23, 425298), (46, 212649), (69, 141766), (73, 133998), (138, 70883), (146, 66999), (219, 44666), (438, 22333), (971, 10074), (1679, 5826), (1942, 5037), (2913, 3358)]