25842831

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 41779200

約数和(自身を除く): 15936369

約数列:

[1, 3, 7, 19, 21, 57, 133, 239, 271, 399, 717, 813, 1673, 1897, 4541, 5019, 5149, 5691, 13623, 15447, 31787, 36043, 64769, 95361, 108129, 194307, 453383, 1230611, 1360149, 3691833, 8614277, 25842831]

約数ペア:

[(1, 25842831), (3, 8614277), (7, 3691833), (19, 1360149), (21, 1230611), (57, 453383), (133, 194307), (239, 108129), (271, 95361), (399, 64769), (717, 36043), (813, 31787), (1673, 15447), (1897, 13623), (4541, 5691), (5019, 5149)]