745889715

素因数分解:

$3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21169}}^1$

素因数の和:21218

約数の個数: 48

約数和(自身を含む): 1387058400

約数和(自身を除く): 641168685

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 405, 435, 783, 1215, 1305, 2349, 3915, 7047, 11745, 21169, 35235, 63507, 105845, 190521, 317535, 571563, 613901, 952605, 1714689, 1841703, 2857815, 3069505, 5144067, 5525109, 8573445, 9208515, 16575327, 25720335, 27625545, 49725981, 82876635, 149177943, 248629905, 745889715]

約数ペア:

[(1, 745889715), (3, 248629905), (5, 149177943), (9, 82876635), (15, 49725981), (27, 27625545), (29, 25720335), (45, 16575327), (81, 9208515), (87, 8573445), (135, 5525109), (145, 5144067), (243, 3069505), (261, 2857815), (405, 1841703), (435, 1714689), (783, 952605), (1215, 613901), (1305, 571563), (2349, 317535), (3915, 190521), (7047, 105845), (11745, 63507), (21169, 35235)]