19771443

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1087}}^1$

素因数の和:1183

約数の個数: 24

約数和(自身を含む): 29872128

約数和(自身を除く): 10100685

約数列:

[1, 3, 9, 43, 47, 129, 141, 387, 423, 1087, 2021, 3261, 6063, 9783, 18189, 46741, 51089, 140223, 153267, 420669, 459801, 2196827, 6590481, 19771443]

約数ペア:

[(1, 19771443), (3, 6590481), (9, 2196827), (43, 459801), (47, 420669), (129, 153267), (141, 140223), (387, 51089), (423, 46741), (1087, 18189), (2021, 9783), (3261, 6063)]