212257587

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1\times {\mathrm{1181}}^1$

素因数の和:1754

約数の個数: 16

約数和(自身を含む): 285949440

約数和(自身を除く): 73691853

約数列:

[1, 3, 139, 417, 431, 1181, 1293, 3543, 59909, 164159, 179727, 492477, 509011, 1527033, 70752529, 212257587]

約数ペア:

[(1, 212257587), (3, 70752529), (139, 1527033), (417, 509011), (431, 492477), (1181, 179727), (1293, 164159), (3543, 59909)]