12871815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 22643712

約数和(自身を除く): 9771897

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 181, 431, 543, 905, 1293, 1991, 2155, 2715, 4741, 5973, 6465, 9955, 14223, 23705, 29865, 71115, 78011, 234033, 390055, 858121, 1170165, 2574363, 4290605, 12871815]

約数ペア:

[(1, 12871815), (3, 4290605), (5, 2574363), (11, 1170165), (15, 858121), (33, 390055), (55, 234033), (165, 78011), (181, 71115), (431, 29865), (543, 23705), (905, 14223), (1293, 9955), (1991, 6465), (2155, 5973), (2715, 4741)]