85728321

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15641}}^1$

素因数の和:15686

約数の個数: 32

約数和(自身を含む): 150163200

約数和(自身を除く): 64434879

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 15641, 46923, 109487, 140769, 328461, 422307, 453589, 985383, 1360767, 2956149, 3175123, 4082301, 9525369, 12246903, 28576107, 85728321]

約数ペア:

[(1, 85728321), (3, 28576107), (7, 12246903), (9, 9525369), (21, 4082301), (27, 3175123), (29, 2956149), (63, 1360767), (87, 985383), (189, 453589), (203, 422307), (261, 328461), (609, 140769), (783, 109487), (1827, 46923), (5481, 15641)]