1293021891

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{247279}}^1$

素因数の和:247375

約数の個数: 24

約数和(自身を含む): 2160238080

約数和(自身を除く): 867216189

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 247279, 741837, 1730953, 2225511, 5192859, 15578577, 20524157, 61572471, 143669099, 184717413, 431007297, 1293021891]

約数ペア:

[(1, 1293021891), (3, 431007297), (7, 184717413), (9, 143669099), (21, 61572471), (63, 20524157), (83, 15578577), (249, 5192859), (581, 2225511), (747, 1730953), (1743, 741837), (5229, 247279)]