27758241

素因数分解:

$3^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{647}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 19519839

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 227, 647, 681, 1589, 1941, 2043, 4529, 4767, 5823, 6129, 13587, 14301, 17469, 40761, 42903, 122283, 146869, 440607, 1028083, 1321821, 3084249, 3965463, 9252747, 27758241]

約数ペア:

[(1, 27758241), (3, 9252747), (7, 3965463), (9, 3084249), (21, 1321821), (27, 1028083), (63, 440607), (189, 146869), (227, 122283), (647, 42903), (681, 40761), (1589, 17469), (1941, 14301), (2043, 13587), (4529, 6129), (4767, 5823)]