202171761

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{3257}}^1$

素因数の和:3307

約数の個数: 48

約数和(自身を含む): 346651200

約数和(自身を除く): 144479439

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 121, 171, 209, 297, 363, 513, 627, 1089, 1881, 2299, 3257, 3267, 5643, 6897, 9771, 20691, 29313, 35827, 61883, 62073, 87939, 107481, 185649, 322443, 394097, 556947, 680713, 967329, 1182291, 1670841, 2042139, 3546873, 6126417, 7487843, 10640619, 18379251, 22463529, 67390587, 202171761]

約数ペア:

[(1, 202171761), (3, 67390587), (9, 22463529), (11, 18379251), (19, 10640619), (27, 7487843), (33, 6126417), (57, 3546873), (99, 2042139), (121, 1670841), (171, 1182291), (209, 967329), (297, 680713), (363, 556947), (513, 394097), (627, 322443), (1089, 185649), (1881, 107481), (2299, 87939), (3257, 62073), (3267, 61883), (5643, 35827), (6897, 29313), (9771, 20691)]