1213361775

素因数分解:

$3^4\times 5^2\times {\mathrm{599191}}^1$

素因数の和:599213

約数の個数: 30

約数和(自身を含む): 2247569192

約数和(自身を除く): 1034207417

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 599191, 1797573, 2995955, 5392719, 8987865, 14979775, 16178157, 26963595, 44939325, 48534471, 80890785, 134817975, 242672355, 404453925, 1213361775]

約数ペア:

[(1, 1213361775), (3, 404453925), (5, 242672355), (9, 134817975), (15, 80890785), (25, 48534471), (27, 44939325), (45, 26963595), (75, 16178157), (81, 14979775), (135, 8987865), (225, 5392719), (405, 2995955), (675, 1797573), (2025, 599191)]