678889659

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{23929}}^1$

素因数の和:24139

約数の個数: 24

約数和(自身を含む): 1058471760

約数和(自身を除く): 379582101

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 1351, 4053, 9457, 23929, 28371, 71787, 167503, 502509, 1172521, 3517563, 4618297, 13854891, 32328079, 96984237, 226296553, 678889659]

約数ペア:

[(1, 678889659), (3, 226296553), (7, 96984237), (21, 32328079), (49, 13854891), (147, 4618297), (193, 3517563), (579, 1172521), (1351, 502509), (4053, 167503), (9457, 71787), (23929, 28371)]