38320191

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 69189120

約数和(自身を除く): 30868929

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 71, 91, 117, 213, 273, 497, 639, 659, 819, 923, 1491, 1977, 2769, 4473, 4613, 5931, 6461, 8307, 8567, 13839, 19383, 25701, 41517, 46789, 58149, 59969, 77103, 140367, 179907, 327523, 421101, 539721, 608257, 982569, 1824771, 2947707, 4257799, 5474313, 12773397, 38320191]

約数ペア:

[(1, 38320191), (3, 12773397), (7, 5474313), (9, 4257799), (13, 2947707), (21, 1824771), (39, 982569), (63, 608257), (71, 539721), (91, 421101), (117, 327523), (213, 179907), (273, 140367), (497, 77103), (639, 59969), (659, 58149), (819, 46789), (923, 41517), (1491, 25701), (1977, 19383), (2769, 13839), (4473, 8567), (4613, 8307), (5931, 6461)]