407128743

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{49331}}^1$

素因数の和:49475

約数の個数: 24

約数和(自身を含む): 677229696

約数和(自身を除く): 270100953

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253, 49331, 147993, 345317, 443979, 1035951, 3107853, 6462361, 19387083, 45236527, 58161249, 135709581, 407128743]

約数ペア:

[(1, 407128743), (3, 135709581), (7, 58161249), (9, 45236527), (21, 19387083), (63, 6462361), (131, 3107853), (393, 1035951), (917, 443979), (1179, 345317), (2751, 147993), (8253, 49331)]