28108905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{911}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 52399872

約数和(自身を除く): 24290967

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 165, 187, 255, 363, 561, 605, 911, 935, 1815, 2057, 2733, 2805, 4555, 6171, 10021, 10285, 13665, 15487, 30063, 30855, 46461, 50105, 77435, 110231, 150315, 170357, 232305, 330693, 511071, 551155, 851785, 1653465, 1873927, 2555355, 5621781, 9369635, 28108905]

約数ペア:

[(1, 28108905), (3, 9369635), (5, 5621781), (11, 2555355), (15, 1873927), (17, 1653465), (33, 851785), (51, 551155), (55, 511071), (85, 330693), (121, 232305), (165, 170357), (187, 150315), (255, 110231), (363, 77435), (561, 50105), (605, 46461), (911, 30855), (935, 30063), (1815, 15487), (2057, 13665), (2733, 10285), (2805, 10021), (4555, 6171)]