27140379

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 43868160

約数和(自身を除く): 16727781

約数列:

[1, 3, 7, 19, 21, 57, 133, 251, 271, 399, 753, 813, 1757, 1897, 4769, 5149, 5271, 5691, 14307, 15447, 33383, 36043, 68021, 100149, 108129, 204063, 476147, 1292399, 1428441, 3877197, 9046793, 27140379]

約数ペア:

[(1, 27140379), (3, 9046793), (7, 3877197), (19, 1428441), (21, 1292399), (57, 476147), (133, 204063), (251, 108129), (271, 100149), (399, 68021), (753, 36043), (813, 33383), (1757, 15447), (1897, 14307), (4769, 5691), (5149, 5271)]