218510919

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 365568000

約数和(自身を除く): 147057081

約数列:

[1, 3, 9, 11, 27, 33, 67, 79, 99, 139, 201, 237, 297, 417, 603, 711, 737, 869, 1251, 1529, 1809, 2133, 2211, 2607, 3753, 4587, 5293, 6633, 7821, 9313, 10981, 13761, 15879, 19899, 23463, 27939, 32943, 41283, 47637, 58223, 83817, 98829, 102443, 120791, 142911, 174669, 251451, 296487, 307329, 362373, 524007, 735727, 921987, 1087119, 1572021, 2207181, 2765961, 3261357, 6621543, 8092997, 19864629, 24278991, 72836973, 218510919]

約数ペア:

[(1, 218510919), (3, 72836973), (9, 24278991), (11, 19864629), (27, 8092997), (33, 6621543), (67, 3261357), (79, 2765961), (99, 2207181), (139, 1572021), (201, 1087119), (237, 921987), (297, 735727), (417, 524007), (603, 362373), (711, 307329), (737, 296487), (869, 251451), (1251, 174669), (1529, 142911), (1809, 120791), (2133, 102443), (2211, 98829), (2607, 83817), (3753, 58223), (4587, 47637), (5293, 41283), (6633, 32943), (7821, 27939), (9313, 23463), (10981, 19899), (13761, 15879)]