142740213

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{643}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 245564928

約数和(自身を除く): 102824715

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 643, 651, 961, 1023, 1929, 2387, 2883, 4501, 6727, 7073, 7161, 10571, 13503, 19933, 20181, 21219, 31713, 49511, 59799, 73997, 139531, 148533, 219263, 221991, 418593, 617923, 657789, 1534841, 1853769, 4325461, 4604523, 6797153, 12976383, 20391459, 47580071, 142740213]

約数ペア:

[(1, 142740213), (3, 47580071), (7, 20391459), (11, 12976383), (21, 6797153), (31, 4604523), (33, 4325461), (77, 1853769), (93, 1534841), (217, 657789), (231, 617923), (341, 418593), (643, 221991), (651, 219263), (961, 148533), (1023, 139531), (1929, 73997), (2387, 59799), (2883, 49511), (4501, 31713), (6727, 21219), (7073, 20181), (7161, 19933), (10571, 13503)]