128331441

素因数分解:

$3^2\times 7^2\times {\mathrm{397}}^1\times {\mathrm{733}}^1$

素因数の和:1150

約数の個数: 36

約数和(自身を含む): 216469812

約数和(自身を除く): 88138371

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 397, 441, 733, 1191, 2199, 2779, 3573, 5131, 6597, 8337, 15393, 19453, 25011, 35917, 46179, 58359, 107751, 175077, 291001, 323253, 873003, 2037007, 2619009, 6111021, 14259049, 18333063, 42777147, 128331441]

約数ペア:

[(1, 128331441), (3, 42777147), (7, 18333063), (9, 14259049), (21, 6111021), (49, 2619009), (63, 2037007), (147, 873003), (397, 323253), (441, 291001), (733, 175077), (1191, 107751), (2199, 58359), (2779, 46179), (3573, 35917), (5131, 25011), (6597, 19453), (8337, 15393)]