172531971

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1721}}^1$

素因数の和:1856

約数の個数: 32

約数和(自身を含む): 264499200

約数和(自身を除く): 91967229

約数列:

[1, 3, 9, 27, 47, 79, 141, 237, 423, 711, 1269, 1721, 2133, 3713, 5163, 11139, 15489, 33417, 46467, 80887, 100251, 135959, 242661, 407877, 727983, 1223631, 2183949, 3670893, 6390073, 19170219, 57510657, 172531971]

約数ペア:

[(1, 172531971), (3, 57510657), (9, 19170219), (27, 6390073), (47, 3670893), (79, 2183949), (141, 1223631), (237, 727983), (423, 407877), (711, 242661), (1269, 135959), (1721, 100251), (2133, 80887), (3713, 46467), (5163, 33417), (11139, 15489)]