3240405

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{127}}^1$

素因数の和:157

約数の個数: 56

約数和(自身を含む): 6715392

約数和(自身を除く): 3474987

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 127, 135, 189, 243, 315, 381, 405, 567, 635, 729, 889, 945, 1143, 1215, 1701, 1905, 2667, 2835, 3429, 3645, 4445, 5103, 5715, 8001, 8505, 10287, 13335, 17145, 24003, 25515, 30861, 40005, 51435, 72009, 92583, 120015, 154305, 216027, 360045, 462915, 648081, 1080135, 3240405]

約数ペア:

[(1, 3240405), (3, 1080135), (5, 648081), (7, 462915), (9, 360045), (15, 216027), (21, 154305), (27, 120015), (35, 92583), (45, 72009), (63, 51435), (81, 40005), (105, 30861), (127, 25515), (135, 24003), (189, 17145), (243, 13335), (315, 10287), (381, 8505), (405, 8001), (567, 5715), (635, 5103), (729, 4445), (889, 3645), (945, 3429), (1143, 2835), (1215, 2667), (1701, 1905)]