28540659

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25643}}^1$

素因数の和:25706

約数の個数: 16

約数和(自身を含む): 44312832

約数和(自身を除く): 15772173

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 25643, 76929, 179501, 538503, 1359079, 4077237, 9513553, 28540659]

約数ペア:

[(1, 28540659), (3, 9513553), (7, 4077237), (21, 1359079), (53, 538503), (159, 179501), (371, 76929), (1113, 25643)]