320430243

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{139987}}^1$

素因数の和:140106

約数の個数: 16

約数和(自身を含む): 492757760

約数和(自身を除く): 172327517

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 139987, 419961, 979909, 2939727, 15258583, 45775749, 106810081, 320430243]

約数ペア:

[(1, 320430243), (3, 106810081), (7, 45775749), (21, 15258583), (109, 2939727), (327, 979909), (763, 419961), (2289, 139987)]