7640649

素因数分解:

$3^6\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:288

約数の個数: 28

約数和(自身を含む): 11751936

約数和(自身を除く): 4111287

約数列:

[1, 3, 9, 27, 47, 81, 141, 223, 243, 423, 669, 729, 1269, 2007, 3807, 6021, 10481, 11421, 18063, 31443, 34263, 54189, 94329, 162567, 282987, 848961, 2546883, 7640649]

約数ペア:

[(1, 7640649), (3, 2546883), (9, 848961), (27, 282987), (47, 162567), (81, 94329), (141, 54189), (223, 34263), (243, 31443), (423, 18063), (669, 11421), (729, 10481), (1269, 6021), (2007, 3807)]