78952725

素因数分解:

$3^4\times 5^2\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:456

約数の個数: 60

約数和(自身を含む): 147879424

約数和(自身を除く): 68926699

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 127, 135, 225, 307, 381, 405, 635, 675, 921, 1143, 1535, 1905, 2025, 2763, 3175, 3429, 4605, 5715, 7675, 8289, 9525, 10287, 13815, 17145, 23025, 24867, 28575, 38989, 41445, 51435, 69075, 85725, 116967, 124335, 194945, 207225, 257175, 350901, 584835, 621675, 974725, 1052703, 1754505, 2924175, 3158109, 5263515, 8772525, 15790545, 26317575, 78952725]

約数ペア:

[(1, 78952725), (3, 26317575), (5, 15790545), (9, 8772525), (15, 5263515), (25, 3158109), (27, 2924175), (45, 1754505), (75, 1052703), (81, 974725), (127, 621675), (135, 584835), (225, 350901), (307, 257175), (381, 207225), (405, 194945), (635, 124335), (675, 116967), (921, 85725), (1143, 69075), (1535, 51435), (1905, 41445), (2025, 38989), (2763, 28575), (3175, 24867), (3429, 23025), (4605, 17145), (5715, 13815), (7675, 10287), (8289, 9525)]