210839967

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1493}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 352392768

約数和(自身を除く): 141552801

約数列:

[1, 3, 9, 13, 17, 39, 51, 71, 117, 153, 213, 221, 639, 663, 923, 1207, 1493, 1989, 2769, 3621, 4479, 8307, 10863, 13437, 15691, 19409, 25381, 47073, 58227, 76143, 106003, 141219, 174681, 228429, 318009, 329953, 954027, 989859, 1378039, 1802051, 2969577, 4134117, 5406153, 12402351, 16218459, 23426663, 70279989, 210839967]

約数ペア:

[(1, 210839967), (3, 70279989), (9, 23426663), (13, 16218459), (17, 12402351), (39, 5406153), (51, 4134117), (71, 2969577), (117, 1802051), (153, 1378039), (213, 989859), (221, 954027), (639, 329953), (663, 318009), (923, 228429), (1207, 174681), (1493, 141219), (1989, 106003), (2769, 76143), (3621, 58227), (4479, 47073), (8307, 25381), (10863, 19409), (13437, 15691)]