71851087

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{971}}^1$

素因数の和:1051

約数の個数: 24

約数和(自身を含む): 92658816

約数和(自身を除く): 20807729

約数列:

[1, 7, 11, 31, 77, 217, 341, 961, 971, 2387, 6727, 6797, 10571, 10681, 30101, 73997, 74767, 210707, 331111, 933131, 2317777, 6531917, 10264441, 71851087]

約数ペア:

[(1, 71851087), (7, 10264441), (11, 6531917), (31, 2317777), (77, 933131), (217, 331111), (341, 210707), (961, 74767), (971, 73997), (2387, 30101), (6727, 10681), (6797, 10571)]