16403751

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20029}}^1$

素因数の和:20055

約数の個数: 24

約数和(自身を含む): 29163680

約数和(自身を除く): 12759929

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 20029, 60087, 140203, 180261, 260377, 420609, 781131, 1261827, 1822639, 2343393, 5467917, 16403751]

約数ペア:

[(1, 16403751), (3, 5467917), (7, 2343393), (9, 1822639), (13, 1261827), (21, 781131), (39, 420609), (63, 260377), (91, 180261), (117, 140203), (273, 60087), (819, 20029)]