647607747

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1\times {\mathrm{5309}}^1$

素因数の和:5942

約数の個数: 16

約数和(自身を含む): 877042080

約数和(自身を除く): 229434333

約数列:

[1, 3, 73, 219, 557, 1671, 5309, 15927, 40661, 121983, 387557, 1162671, 2957113, 8871339, 215869249, 647607747]

約数ペア:

[(1, 647607747), (3, 215869249), (73, 8871339), (219, 2957113), (557, 1162671), (1671, 387557), (5309, 121983), (15927, 40661)]