68957973

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 128008320

約数和(自身を除く): 59050347

約数列:

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

約数ペア:

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