206873919

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 385082880

約数和(自身を除く): 178208961

約数列:

[1, 3, 7, 9, 19, 21, 27, 37, 57, 63, 81, 111, 133, 171, 173, 189, 243, 259, 333, 399, 513, 519, 567, 703, 777, 999, 1197, 1211, 1539, 1557, 1701, 2109, 2331, 2997, 3287, 3591, 3633, 4617, 4671, 4921, 6327, 6401, 6993, 8991, 9861, 10773, 10899, 14013, 14763, 18981, 19203, 20979, 23009, 29583, 32319, 32697, 42039, 44289, 44807, 56943, 57609, 62937, 69027, 88749, 98091, 121619, 132867, 134421, 170829, 172827, 207081, 266247, 294273, 364857, 398601, 403263, 518481, 621243, 798741, 851333, 1094571, 1195803, 1209789, 1555443, 1863729, 2553999, 3283713, 3629367, 5591187, 7661997, 9851139, 10888101, 22985991, 29553417, 68957973, 206873919]

約数ペア:

[(1, 206873919), (3, 68957973), (7, 29553417), (9, 22985991), (19, 10888101), (21, 9851139), (27, 7661997), (37, 5591187), (57, 3629367), (63, 3283713), (81, 2553999), (111, 1863729), (133, 1555443), (171, 1209789), (173, 1195803), (189, 1094571), (243, 851333), (259, 798741), (333, 621243), (399, 518481), (513, 403263), (519, 398601), (567, 364857), (703, 294273), (777, 266247), (999, 207081), (1197, 172827), (1211, 170829), (1539, 134421), (1557, 132867), (1701, 121619), (2109, 98091), (2331, 88749), (2997, 69027), (3287, 62937), (3591, 57609), (3633, 56943), (4617, 44807), (4671, 44289), (4921, 42039), (6327, 32697), (6401, 32319), (6993, 29583), (8991, 23009), (9861, 20979), (10773, 19203), (10899, 18981), (14013, 14763)]