15009057

素因数分解:

$3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 25973376

約数和(自身を除く): 10964319

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 257, 309, 567, 721, 771, 927, 1799, 2163, 2313, 2781, 5397, 6489, 6939, 8343, 16191, 19467, 20817, 26471, 48573, 58401, 79413, 145719, 185297, 238239, 555891, 714717, 1667673, 2144151, 5003019, 15009057]

約数ペア:

[(1, 15009057), (3, 5003019), (7, 2144151), (9, 1667673), (21, 714717), (27, 555891), (63, 238239), (81, 185297), (103, 145719), (189, 79413), (257, 58401), (309, 48573), (567, 26471), (721, 20817), (771, 19467), (927, 16191), (1799, 8343), (2163, 6939), (2313, 6489), (2781, 5397)]