663804387

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{26053}}^1$

素因数の和:26227

約数の個数: 24

約数和(自身を含む): 1016106000

約数和(自身を除く): 352301613

約数列:

[1, 3, 9, 19, 57, 149, 171, 447, 1341, 2831, 8493, 25479, 26053, 78159, 234477, 495007, 1485021, 3881897, 4455063, 11645691, 34937073, 73756043, 221268129, 663804387]

約数ペア:

[(1, 663804387), (3, 221268129), (9, 73756043), (19, 34937073), (57, 11645691), (149, 4455063), (171, 3881897), (447, 1485021), (1341, 495007), (2831, 234477), (8493, 78159), (25479, 26053)]