28867905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2011}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 56496960

約数和(自身を除く): 27629055

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 2011, 2871, 4785, 6033, 10055, 14355, 18099, 22121, 30165, 58319, 66363, 90495, 110605, 174957, 199089, 291595, 331815, 524871, 641509, 874785, 995445, 1924527, 2624355, 3207545, 5773581, 9622635, 28867905]

約数ペア:

[(1, 28867905), (3, 9622635), (5, 5773581), (9, 3207545), (11, 2624355), (15, 1924527), (29, 995445), (33, 874785), (45, 641509), (55, 524871), (87, 331815), (99, 291595), (145, 199089), (165, 174957), (261, 110605), (319, 90495), (435, 66363), (495, 58319), (957, 30165), (1305, 22121), (1595, 18099), (2011, 14355), (2871, 10055), (4785, 6033)]