8421165

素因数分解:

$3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 15724800

約数和(自身を除く): 7303635

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 239, 243, 261, 405, 435, 717, 783, 1195, 1215, 1305, 2151, 2349, 3585, 3915, 6453, 6931, 7047, 10755, 11745, 19359, 20793, 32265, 34655, 35235, 58077, 62379, 96795, 103965, 187137, 290385, 311895, 561411, 935685, 1684233, 2807055, 8421165]

約数ペア:

[(1, 8421165), (3, 2807055), (5, 1684233), (9, 935685), (15, 561411), (27, 311895), (29, 290385), (45, 187137), (81, 103965), (87, 96795), (135, 62379), (145, 58077), (239, 35235), (243, 34655), (261, 32265), (405, 20793), (435, 19359), (717, 11745), (783, 10755), (1195, 7047), (1215, 6931), (1305, 6453), (2151, 3915), (2349, 3585)]