139690257

素因数分解:

$3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{28549}}^1$

素因数の和:28792

約数の個数: 16

約数和(自身を含む): 213782400

約数和(自身を除く): 74092143

約数列:

[1, 3, 7, 21, 233, 699, 1631, 4893, 28549, 85647, 199843, 599529, 6651917, 19955751, 46563419, 139690257]

約数ペア:

[(1, 139690257), (3, 46563419), (7, 19955751), (21, 6651917), (233, 599529), (699, 199843), (1631, 85647), (4893, 28549)]