72575919

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 117766880

約数和(自身を除く): 45190961

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 157, 351, 439, 471, 1053, 1317, 1413, 2041, 3951, 4239, 5707, 6123, 11853, 12717, 17121, 18369, 35559, 51363, 55107, 68923, 154089, 165321, 206769, 462267, 620307, 895999, 1860921, 2687997, 5582763, 8063991, 24191973, 72575919]

約数ペア:

[(1, 72575919), (3, 24191973), (9, 8063991), (13, 5582763), (27, 2687997), (39, 1860921), (81, 895999), (117, 620307), (157, 462267), (351, 206769), (439, 165321), (471, 154089), (1053, 68923), (1317, 55107), (1413, 51363), (2041, 35559), (3951, 18369), (4239, 17121), (5707, 12717), (6123, 11853)]