55486821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 84797440

約数和(自身を除く): 29310619

約数列:

[1, 3, 13, 19, 39, 57, 103, 247, 309, 727, 741, 1339, 1957, 2181, 4017, 5871, 9451, 13813, 25441, 28353, 41439, 74881, 76323, 179569, 224643, 538707, 973453, 1422739, 2920359, 4268217, 18495607, 55486821]

約数ペア:

[(1, 55486821), (3, 18495607), (13, 4268217), (19, 2920359), (39, 1422739), (57, 973453), (103, 538707), (247, 224643), (309, 179569), (727, 76323), (741, 74881), (1339, 41439), (1957, 28353), (2181, 25441), (4017, 13813), (5871, 9451)]