12399681

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 20459520

約数和(自身を除く): 8059839

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 739, 799, 987, 2217, 2397, 5173, 5593, 12563, 15519, 16779, 34733, 37689, 87941, 104199, 243131, 263823, 590461, 729393, 1771383, 4133227, 12399681]

約数ペア:

[(1, 12399681), (3, 4133227), (7, 1771383), (17, 729393), (21, 590461), (47, 263823), (51, 243131), (119, 104199), (141, 87941), (329, 37689), (357, 34733), (739, 16779), (799, 15519), (987, 12563), (2217, 5593), (2397, 5173)]