121778657

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{337}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 173077632

約数和(自身を除く): 51298975

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 337, 361, 1001, 1463, 1729, 2359, 2527, 2717, 3707, 3971, 4381, 4693, 6403, 19019, 25949, 27797, 30667, 32851, 44821, 48191, 51623, 70433, 83239, 121657, 337337, 361361, 493031, 582673, 851599, 915629, 1338227, 1581541, 6409403, 9367589, 11070787, 17396951, 121778657]

約数ペア:

[(1, 121778657), (7, 17396951), (11, 11070787), (13, 9367589), (19, 6409403), (77, 1581541), (91, 1338227), (133, 915629), (143, 851599), (209, 582673), (247, 493031), (337, 361361), (361, 337337), (1001, 121657), (1463, 83239), (1729, 70433), (2359, 51623), (2527, 48191), (2717, 44821), (3707, 32851), (3971, 30667), (4381, 27797), (4693, 25949), (6403, 19019)]