64639821

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 93687552

約数和(自身を除く): 29047731

約数列:

[1, 3, 23, 41, 69, 73, 123, 219, 313, 939, 943, 1679, 2829, 2993, 5037, 7199, 8979, 12833, 21597, 22849, 38499, 68547, 68839, 206517, 295159, 525527, 885477, 936809, 1576581, 2810427, 21546607, 64639821]

約数ペア:

[(1, 64639821), (3, 21546607), (23, 2810427), (41, 1576581), (69, 936809), (73, 885477), (123, 525527), (219, 295159), (313, 206517), (939, 68839), (943, 68547), (1679, 38499), (2829, 22849), (2993, 21597), (5037, 12833), (7199, 8979)]