168325731

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{20089}}^1$

素因数の和:20128

約数の個数: 36

約数和(自身を含む): 297733800

約数和(自身を除く): 129408069

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 20089, 60267, 140623, 180801, 381691, 421869, 984361, 1145073, 1265607, 2671837, 2953083, 3435219, 8015511, 8859249, 18702859, 24046533, 56108577, 168325731]

約数ペア:

[(1, 168325731), (3, 56108577), (7, 24046533), (9, 18702859), (19, 8859249), (21, 8015511), (49, 3435219), (57, 2953083), (63, 2671837), (133, 1265607), (147, 1145073), (171, 984361), (399, 421869), (441, 381691), (931, 180801), (1197, 140623), (2793, 60267), (8379, 20089)]