40184361

素因数分解:

$3^2\times 7^2\times {\mathrm{91121}}^1$

素因数の和:91141

約数の個数: 18

約数和(自身を含む): 67521402

約数和(自身を除く): 27337041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 91121, 273363, 637847, 820089, 1913541, 4464929, 5740623, 13394787, 40184361]

約数ペア:

[(1, 40184361), (3, 13394787), (7, 5740623), (9, 4464929), (21, 1913541), (49, 820089), (63, 637847), (147, 273363), (441, 91121)]