80730909

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1753}}^1$

素因数の和:1826

約数の個数: 48

約数和(自身を含む): 144473472

約数和(自身を除く): 63742563

約数列:

[1, 3, 7, 9, 17, 21, 43, 51, 63, 119, 129, 153, 301, 357, 387, 731, 903, 1071, 1753, 2193, 2709, 5117, 5259, 6579, 12271, 15351, 15777, 29801, 36813, 46053, 75379, 89403, 110439, 208607, 226137, 268209, 527653, 625821, 678411, 1281443, 1582959, 1877463, 3844329, 4748877, 8970101, 11532987, 26910303, 80730909]

約数ペア:

[(1, 80730909), (3, 26910303), (7, 11532987), (9, 8970101), (17, 4748877), (21, 3844329), (43, 1877463), (51, 1582959), (63, 1281443), (119, 678411), (129, 625821), (153, 527653), (301, 268209), (357, 226137), (387, 208607), (731, 110439), (903, 89403), (1071, 75379), (1753, 46053), (2193, 36813), (2709, 29801), (5117, 15777), (5259, 15351), (6579, 12271)]