67984021

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{337}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 83229120

約数和(自身を除く): 15245099

約数列:

[1, 7, 23, 49, 161, 179, 337, 1127, 1253, 2359, 4117, 7751, 8771, 16513, 28819, 54257, 60323, 201733, 379799, 422261, 1387429, 2955827, 9712003, 67984021]

約数ペア:

[(1, 67984021), (7, 9712003), (23, 2955827), (49, 1387429), (161, 422261), (179, 379799), (337, 201733), (1127, 60323), (1253, 54257), (2359, 28819), (4117, 16513), (7751, 8771)]