201705021

素因数分解:

$3^2\times 7^2\times {\mathrm{457381}}^1$

素因数の和:457401

約数の個数: 18

約数和(自身を含む): 338920062

約数和(自身を除く): 137215041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457381, 1372143, 3201667, 4116429, 9605001, 22411669, 28815003, 67235007, 201705021]

約数ペア:

[(1, 201705021), (3, 67235007), (7, 28815003), (9, 22411669), (21, 9605001), (49, 4116429), (63, 3201667), (147, 1372143), (441, 457381)]