91287219

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 129761280

約数和(自身を除く): 38474061

約数列:

[1, 3, 31, 59, 93, 127, 131, 177, 381, 393, 1829, 3937, 4061, 5487, 7493, 7729, 11811, 12183, 16637, 22479, 23187, 49911, 232283, 239599, 515747, 696849, 718797, 981583, 1547241, 2944749, 30429073, 91287219]

約数ペア:

[(1, 91287219), (3, 30429073), (31, 2944749), (59, 1547241), (93, 981583), (127, 718797), (131, 696849), (177, 515747), (381, 239599), (393, 232283), (1829, 49911), (3937, 23187), (4061, 22479), (5487, 16637), (7493, 12183), (7729, 11811)]