213165.0000000

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 10540800

約数和(自身を除く): 4412691

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 79, 117, 153, 169, 221, 237, 351, 459, 507, 663, 711, 1027, 1343, 1521, 1989, 2133, 2873, 3081, 4029, 4563, 5967, 8619, 9243, 12087, 13351, 17459, 25857, 27729, 36261, 40053, 52377, 77571, 120159, 157131, 226967, 360477, 471393, 680901, 2042703, 6128109]

約数ペア:

[(1, 6128109), (3, 2042703), (9, 680901), (13, 471393), (17, 360477), (27, 226967), (39, 157131), (51, 120159), (79, 77571), (117, 52377), (153, 40053), (169, 36261), (221, 27729), (237, 25857), (351, 17459), (459, 13351), (507, 12087), (663, 9243), (711, 8619), (1027, 5967), (1343, 4563), (1521, 4029), (1989, 3081), (2133, 2873)]