64187475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^3\times {\mathrm{643}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 116909184

約数和(自身を除く): 52721709

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 165, 275, 363, 605, 643, 825, 1331, 1815, 1929, 3025, 3215, 3993, 6655, 7073, 9075, 9645, 16075, 19965, 21219, 33275, 35365, 48225, 77803, 99825, 106095, 176825, 233409, 389015, 530475, 855833, 1167045, 1945075, 2567499, 4279165, 5835225, 12837495, 21395825, 64187475]

約数ペア:

[(1, 64187475), (3, 21395825), (5, 12837495), (11, 5835225), (15, 4279165), (25, 2567499), (33, 1945075), (55, 1167045), (75, 855833), (121, 530475), (165, 389015), (275, 233409), (363, 176825), (605, 106095), (643, 99825), (825, 77803), (1331, 48225), (1815, 35365), (1929, 33275), (3025, 21219), (3215, 19965), (3993, 16075), (6655, 9645), (7073, 9075)]