1325555

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{313}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 2004576

約数和(自身を除く): 679021

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 313, 385, 605, 847, 1565, 2191, 3443, 4235, 10955, 17215, 24101, 37873, 120505, 189365, 265111, 1325555]

約数ペア:

[(1, 1325555), (5, 265111), (7, 189365), (11, 120505), (35, 37873), (55, 24101), (77, 17215), (121, 10955), (313, 4235), (385, 3443), (605, 2191), (847, 1565)]