81240159

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2081}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 146306304

約数和(自身を除く): 65066145

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 169, 231, 273, 429, 507, 1001, 1183, 1859, 2081, 3003, 3549, 5577, 6243, 13013, 14567, 22891, 27053, 39039, 43701, 68673, 81159, 160237, 189371, 297583, 351689, 480711, 568113, 892749, 1055067, 2083081, 2461823, 3868579, 6249243, 7385469, 11605737, 27080053, 81240159]

約数ペア:

[(1, 81240159), (3, 27080053), (7, 11605737), (11, 7385469), (13, 6249243), (21, 3868579), (33, 2461823), (39, 2083081), (77, 1055067), (91, 892749), (143, 568113), (169, 480711), (231, 351689), (273, 297583), (429, 189371), (507, 160237), (1001, 81159), (1183, 68673), (1859, 43701), (2081, 39039), (3003, 27053), (3549, 22891), (5577, 14567), (6243, 13013)]