140981477

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5147}}^1$

素因数の和:5217

約数の個数: 24

約数和(自身を含む): 180756576

約数和(自身を除く): 39775099

約数列:

[1, 7, 13, 43, 49, 91, 301, 559, 637, 2107, 3913, 5147, 27391, 36029, 66911, 221321, 252203, 468377, 1549247, 2877173, 3278639, 10844729, 20140211, 140981477]

約数ペア:

[(1, 140981477), (7, 20140211), (13, 10844729), (43, 3278639), (49, 2877173), (91, 1549247), (301, 468377), (559, 252203), (637, 221321), (2107, 66911), (3913, 36029), (5147, 27391)]