67982019

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2543}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 110714880

約数和(自身を除く): 42732861

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 1273, 1407, 2543, 3819, 7629, 8911, 17801, 26733, 48317, 53403, 144951, 170381, 338219, 511143, 1014657, 1192667, 3237239, 3578001, 9711717, 22660673, 67982019]

約数ペア:

[(1, 67982019), (3, 22660673), (7, 9711717), (19, 3578001), (21, 3237239), (57, 1192667), (67, 1014657), (133, 511143), (201, 338219), (399, 170381), (469, 144951), (1273, 53403), (1407, 48317), (2543, 26733), (3819, 17801), (7629, 8911)]