80975997

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 124104960

約数和(自身を除く): 43128963

約数列:

[1, 3, 9, 27, 53, 71, 159, 213, 477, 639, 797, 1431, 1917, 2391, 3763, 7173, 11289, 21519, 33867, 42241, 56587, 101601, 126723, 169761, 380169, 509283, 1140507, 1527849, 2999111, 8997333, 26991999, 80975997]

約数ペア:

[(1, 80975997), (3, 26991999), (9, 8997333), (27, 2999111), (53, 1527849), (71, 1140507), (159, 509283), (213, 380169), (477, 169761), (639, 126723), (797, 101601), (1431, 56587), (1917, 42241), (2391, 33867), (3763, 21519), (7173, 11289)]