80262819

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10889}}^1$

素因数の和:10921

約数の個数: 40

約数和(自身を含む): 147581280

約数和(自身を除く): 67318461

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 10889, 32667, 76223, 98001, 141557, 228669, 294003, 424671, 686007, 882009, 990899, 1274013, 2058021, 2972697, 3822039, 6174063, 8918091, 11466117, 26754273, 80262819]

約数ペア:

[(1, 80262819), (3, 26754273), (7, 11466117), (9, 8918091), (13, 6174063), (21, 3822039), (27, 2972697), (39, 2058021), (63, 1274013), (81, 990899), (91, 882009), (117, 686007), (189, 424671), (273, 294003), (351, 228669), (567, 141557), (819, 98001), (1053, 76223), (2457, 32667), (7371, 10889)]