9919197

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 36

約数和(自身を含む): 15691104

約数和(自身を除く): 5771907

約数列:

[1, 3, 9, 19, 43, 57, 71, 129, 171, 213, 361, 387, 639, 817, 1083, 1349, 2451, 3053, 3249, 4047, 7353, 9159, 12141, 15523, 25631, 27477, 46569, 58007, 76893, 139707, 174021, 230679, 522063, 1102133, 3306399, 9919197]

約数ペア:

[(1, 9919197), (3, 3306399), (9, 1102133), (19, 522063), (43, 230679), (57, 174021), (71, 139707), (129, 76893), (171, 58007), (213, 46569), (361, 27477), (387, 25631), (639, 15523), (817, 12141), (1083, 9159), (1349, 7353), (2451, 4047), (3053, 3249)]