11989281

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{941}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 16639488

約数和(自身を除く): 4650207

約数列:

[1, 3, 31, 93, 137, 411, 941, 2823, 4247, 12741, 29171, 87513, 128917, 386751, 3996427, 11989281]

約数ペア:

[(1, 11989281), (3, 3996427), (31, 386751), (93, 128917), (137, 87513), (411, 29171), (941, 12741), (2823, 4247)]