2017990575

素因数分解:

$3^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:1001

約数の個数: 72

約数和(自身を含む): 3686482800

約数和(自身を除く): 1668492225

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 107, 109, 225, 321, 327, 535, 545, 769, 963, 981, 1605, 1635, 2307, 2675, 2725, 3845, 4815, 4905, 6921, 8025, 8175, 11535, 11663, 19225, 24075, 24525, 34605, 34989, 57675, 58315, 82283, 83821, 104967, 173025, 174945, 246849, 251463, 291575, 411415, 419105, 524835, 740547, 754389, 874725, 1234245, 1257315, 2057075, 2095525, 2624175, 3702735, 3771945, 6171225, 6286575, 8968847, 18513675, 18859725, 26906541, 44844235, 80719623, 134532705, 224221175, 403598115, 672663525, 2017990575]

約数ペア:

[(1, 2017990575), (3, 672663525), (5, 403598115), (9, 224221175), (15, 134532705), (25, 80719623), (45, 44844235), (75, 26906541), (107, 18859725), (109, 18513675), (225, 8968847), (321, 6286575), (327, 6171225), (535, 3771945), (545, 3702735), (769, 2624175), (963, 2095525), (981, 2057075), (1605, 1257315), (1635, 1234245), (2307, 874725), (2675, 754389), (2725, 740547), (3845, 524835), (4815, 419105), (4905, 411415), (6921, 291575), (8025, 251463), (8175, 246849), (11535, 174945), (11663, 173025), (19225, 104967), (24075, 83821), (24525, 82283), (34605, 58315), (34989, 57675)]