142720611

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 211660800

約数和(自身を除く): 68940189

約数列:

[1, 3, 11, 33, 103, 199, 211, 309, 597, 633, 1133, 2189, 2321, 3399, 6567, 6963, 20497, 21733, 41989, 61491, 65199, 125967, 225467, 239063, 461879, 676401, 717189, 1385637, 4324867, 12974601, 47573537, 142720611]

約数ペア:

[(1, 142720611), (3, 47573537), (11, 12974601), (33, 4324867), (103, 1385637), (199, 717189), (211, 676401), (309, 461879), (597, 239063), (633, 225467), (1133, 125967), (2189, 65199), (2321, 61491), (3399, 41989), (6567, 21733), (6963, 20497)]