551468307

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{21991}}^1$

素因数の和:22650

約数の個数: 16

約数和(自身を含む): 793119488

約数和(自身を除く): 241651181

約数列:

[1, 3, 13, 39, 643, 1929, 8359, 21991, 25077, 65973, 285883, 857649, 14140213, 42420639, 183822769, 551468307]

約数ペア:

[(1, 551468307), (3, 183822769), (13, 42420639), (39, 14140213), (643, 857649), (1929, 285883), (8359, 65973), (21991, 25077)]