81608891

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 107993088

約数和(自身を除く): 26384197

約数列:

[1, 7, 13, 17, 71, 91, 119, 221, 497, 743, 923, 1207, 1547, 5201, 6461, 8449, 9659, 12631, 15691, 52753, 67613, 88417, 109837, 164203, 369271, 685789, 896801, 1149421, 4800523, 6277607, 11658413, 81608891]

約数ペア:

[(1, 81608891), (7, 11658413), (13, 6277607), (17, 4800523), (71, 1149421), (91, 896801), (119, 685789), (221, 369271), (497, 164203), (743, 109837), (923, 88417), (1207, 67613), (1547, 52753), (5201, 15691), (6461, 12631), (8449, 9659)]