161977231

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{1409}}^1$

素因数の和:1698

約数の個数: 16

約数和(自身を含む): 180028800

約数和(自身を除く): 18051569

約数列:

[1, 13, 37, 239, 481, 1409, 3107, 8843, 18317, 52133, 114959, 336751, 677729, 4377763, 12459787, 161977231]

約数ペア:

[(1, 161977231), (13, 12459787), (37, 4377763), (239, 677729), (481, 336751), (1409, 114959), (3107, 52133), (8843, 18317)]