68344311

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1663}}^1$

素因数の和:1795

約数の個数: 32

約数和(自身を含む): 110755840

約数和(自身を除く): 42411529

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 399, 721, 1663, 1957, 2163, 4989, 5871, 11641, 13699, 31597, 34923, 41097, 94791, 171289, 221179, 513867, 663537, 1199023, 3254491, 3597069, 9763473, 22781437, 68344311]

約数ペア:

[(1, 68344311), (3, 22781437), (7, 9763473), (19, 3597069), (21, 3254491), (57, 1199023), (103, 663537), (133, 513867), (309, 221179), (399, 171289), (721, 94791), (1663, 41097), (1957, 34923), (2163, 31597), (4989, 13699), (5871, 11641)]