1261071

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 2141984

約数和(自身を除く): 880913

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 541, 777, 1623, 2331, 3787, 4869, 11361, 20017, 34083, 60051, 140119, 180153, 420357, 1261071]

約数ペア:

[(1, 1261071), (3, 420357), (7, 180153), (9, 140119), (21, 60051), (37, 34083), (63, 20017), (111, 11361), (259, 4869), (333, 3787), (541, 2331), (777, 1623)]