72641919

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{17923}}^1$

素因数の和:18126

約数の個数: 16

約数和(自身を含む): 111272192

約数和(自身を除く): 38630273

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 17923, 53769, 125461, 376383, 3459139, 10377417, 24213973, 72641919]

約数ペア:

[(1, 72641919), (3, 24213973), (7, 10377417), (21, 3459139), (193, 376383), (579, 125461), (1351, 53769), (4053, 17923)]