281684193

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 448550784

約数和(自身を除く): 166866591

約数列:

[1, 3, 7, 21, 49, 71, 137, 147, 197, 213, 411, 497, 591, 959, 1379, 1491, 2877, 3479, 4137, 6713, 9653, 9727, 10437, 13987, 20139, 26989, 28959, 29181, 41961, 68089, 80967, 97909, 188923, 204267, 293727, 476623, 566769, 685363, 1322461, 1429869, 1916219, 2056089, 3967383, 5748657, 13413533, 40240599, 93894731, 281684193]

約数ペア:

[(1, 281684193), (3, 93894731), (7, 40240599), (21, 13413533), (49, 5748657), (71, 3967383), (137, 2056089), (147, 1916219), (197, 1429869), (213, 1322461), (411, 685363), (497, 566769), (591, 476623), (959, 293727), (1379, 204267), (1491, 188923), (2877, 97909), (3479, 80967), (4137, 68089), (6713, 41961), (9653, 29181), (9727, 28959), (10437, 26989), (13987, 20139)]