80821503

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5413}}^1$

素因数の和:5508

約数の個数: 32

約数和(自身を含む): 138598400

約数和(自身を除く): 57776897

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1659, 2133, 4977, 5413, 14931, 16239, 37891, 48717, 113673, 146151, 341019, 427627, 1023057, 1282881, 2993389, 3848643, 8980167, 11545929, 26940501, 80821503]

約数ペア:

[(1, 80821503), (3, 26940501), (7, 11545929), (9, 8980167), (21, 3848643), (27, 2993389), (63, 1282881), (79, 1023057), (189, 427627), (237, 341019), (553, 146151), (711, 113673), (1659, 48717), (2133, 37891), (4977, 16239), (5413, 14931)]