31487943

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3331}}^1$

素因数の和:3494

約数の個数: 16

約数和(自身を含む): 44142336

約数和(自身を除く): 12654393

約数列:

[1, 3, 23, 69, 137, 411, 3151, 3331, 9453, 9993, 76613, 229839, 456347, 1369041, 10495981, 31487943]

約数ペア:

[(1, 31487943), (3, 10495981), (23, 1369041), (69, 456347), (137, 229839), (411, 76613), (3151, 9993), (3331, 9453)]