17978367

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 28131840

約数和(自身を除く): 10153473

約数列:

[1, 3, 11, 17, 33, 51, 73, 187, 219, 439, 561, 803, 1241, 1317, 2409, 3723, 4829, 7463, 13651, 14487, 22389, 32047, 40953, 82093, 96141, 246279, 352517, 544799, 1057551, 1634397, 5992789, 17978367]

約数ペア:

[(1, 17978367), (3, 5992789), (11, 1634397), (17, 1057551), (33, 544799), (51, 352517), (73, 246279), (187, 96141), (219, 82093), (439, 40953), (561, 32047), (803, 22389), (1241, 14487), (1317, 13651), (2409, 7463), (3723, 4829)]