20180057715

素因数分解:

$3^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{77977}}^1$

素因数の和:78071

約数の個数: 56

約数和(自身を含む): 36819340128

約数和(自身を除く): 16639282413

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 243, 355, 405, 639, 729, 1065, 1215, 1917, 3195, 3645, 5751, 9585, 17253, 28755, 51759, 77977, 86265, 233931, 258795, 389885, 701793, 1169655, 2105379, 3508965, 5536367, 6316137, 10526895, 16609101, 18948411, 27681835, 31580685, 49827303, 56845233, 83045505, 94742055, 149481909, 249136515, 284226165, 448445727, 747409545, 1345337181, 2242228635, 4036011543, 6726685905, 20180057715]

約数ペア:

[(1, 20180057715), (3, 6726685905), (5, 4036011543), (9, 2242228635), (15, 1345337181), (27, 747409545), (45, 448445727), (71, 284226165), (81, 249136515), (135, 149481909), (213, 94742055), (243, 83045505), (355, 56845233), (405, 49827303), (639, 31580685), (729, 27681835), (1065, 18948411), (1215, 16609101), (1917, 10526895), (3195, 6316137), (3645, 5536367), (5751, 3508965), (9585, 2105379), (17253, 1169655), (28755, 701793), (51759, 389885), (77977, 258795), (86265, 233931)]