139720581

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1193}}^1$

素因数の和:1243

約数の個数: 72

約数和(自身を含む): 272690496

約数和(自身を除く): 132969915

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 169, 231, 273, 429, 507, 693, 819, 1001, 1183, 1193, 1287, 1521, 1859, 3003, 3549, 3579, 5577, 8351, 9009, 10647, 10737, 13013, 13123, 15509, 16731, 25053, 39039, 39369, 46527, 75159, 91861, 108563, 117117, 118107, 139581, 170599, 201617, 275583, 325689, 511797, 604851, 826749, 977067, 1194193, 1411319, 1535391, 1814553, 2217787, 3582579, 4233957, 6653361, 10747737, 12701871, 15524509, 19960083, 46573527, 139720581]

約数ペア:

[(1, 139720581), (3, 46573527), (7, 19960083), (9, 15524509), (11, 12701871), (13, 10747737), (21, 6653361), (33, 4233957), (39, 3582579), (63, 2217787), (77, 1814553), (91, 1535391), (99, 1411319), (117, 1194193), (143, 977067), (169, 826749), (231, 604851), (273, 511797), (429, 325689), (507, 275583), (693, 201617), (819, 170599), (1001, 139581), (1183, 118107), (1193, 117117), (1287, 108563), (1521, 91861), (1859, 75159), (3003, 46527), (3549, 39369), (3579, 39039), (5577, 25053), (8351, 16731), (9009, 15509), (10647, 13123), (10737, 13013)]