12878745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{877}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 22757760

約数和(自身を除く): 9879015

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 267, 445, 877, 979, 1335, 2631, 2937, 4385, 4895, 9647, 13155, 14685, 28941, 48235, 78053, 144705, 234159, 390265, 858583, 1170795, 2575749, 4292915, 12878745]

約数ペア:

[(1, 12878745), (3, 4292915), (5, 2575749), (11, 1170795), (15, 858583), (33, 390265), (55, 234159), (89, 144705), (165, 78053), (267, 48235), (445, 28941), (877, 14685), (979, 13155), (1335, 9647), (2631, 4895), (2937, 4385)]