201555963

素因数分解:

$3^2\times 7^2\times {\mathrm{457043}}^1$

素因数の和:457063

約数の個数: 18

約数和(自身を含む): 338669604

約数和(自身を除く): 137113641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457043, 1371129, 3199301, 4113387, 9597903, 22395107, 28793709, 67185321, 201555963]

約数ペア:

[(1, 201555963), (3, 67185321), (7, 28793709), (9, 22395107), (21, 9597903), (49, 4113387), (63, 3199301), (147, 1371129), (441, 457043)]