859005

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{101}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 1782144

約数和(自身を除く): 923139

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 101, 105, 135, 189, 243, 303, 315, 405, 505, 567, 707, 909, 945, 1215, 1515, 1701, 2121, 2727, 2835, 3535, 4545, 6363, 8181, 8505, 10605, 13635, 19089, 24543, 31815, 40905, 57267, 95445, 122715, 171801, 286335, 859005]

約数ペア:

[(1, 859005), (3, 286335), (5, 171801), (7, 122715), (9, 95445), (15, 57267), (21, 40905), (27, 31815), (35, 24543), (45, 19089), (63, 13635), (81, 10605), (101, 8505), (105, 8181), (135, 6363), (189, 4545), (243, 3535), (303, 2835), (315, 2727), (405, 2121), (505, 1701), (567, 1515), (707, 1215), (909, 945)]