28683585

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 58982400

約数和(自身を除く): 30298815

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 127, 135, 189, 239, 315, 381, 635, 717, 889, 945, 1143, 1195, 1673, 1905, 2151, 2667, 3429, 3585, 4445, 5019, 5715, 6453, 8001, 8365, 10755, 13335, 15057, 17145, 24003, 25095, 30353, 32265, 40005, 45171, 75285, 91059, 120015, 151765, 212471, 225855, 273177, 455295, 637413, 819531, 1062355, 1365885, 1912239, 3187065, 4097655, 5736717, 9561195, 28683585]

約数ペア:

[(1, 28683585), (3, 9561195), (5, 5736717), (7, 4097655), (9, 3187065), (15, 1912239), (21, 1365885), (27, 1062355), (35, 819531), (45, 637413), (63, 455295), (105, 273177), (127, 225855), (135, 212471), (189, 151765), (239, 120015), (315, 91059), (381, 75285), (635, 45171), (717, 40005), (889, 32265), (945, 30353), (1143, 25095), (1195, 24003), (1673, 17145), (1905, 15057), (2151, 13335), (2667, 10755), (3429, 8365), (3585, 8001), (4445, 6453), (5019, 5715)]