28901907

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1144

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 17062893

約数列:

[1, 3, 9, 19, 27, 53, 57, 159, 171, 477, 513, 1007, 1063, 1431, 3021, 3189, 9063, 9567, 20197, 27189, 28701, 56339, 60591, 169017, 181773, 507051, 545319, 1070441, 1521153, 3211323, 9633969, 28901907]

約数ペア:

[(1, 28901907), (3, 9633969), (9, 3211323), (19, 1521153), (27, 1070441), (53, 545319), (57, 507051), (159, 181773), (171, 169017), (477, 60591), (513, 56339), (1007, 28701), (1063, 27189), (1431, 20197), (3021, 9567), (3189, 9063)]