1890423009

素因数分解:

$3^3\times {\mathrm{97}}^1\times {\mathrm{433}}^1\times {\mathrm{1667}}^1$

素因数の和:2206

約数の個数: 32

約数和(自身を含む): 2837735040

約数和(自身を除く): 947312031

約数列:

[1, 3, 9, 27, 97, 291, 433, 873, 1299, 1667, 2619, 3897, 5001, 11691, 15003, 42001, 45009, 126003, 161699, 378009, 485097, 721811, 1134027, 1455291, 2165433, 4365873, 6496299, 19488897, 70015667, 210047001, 630141003, 1890423009]

約数ペア:

[(1, 1890423009), (3, 630141003), (9, 210047001), (27, 70015667), (97, 19488897), (291, 6496299), (433, 4365873), (873, 2165433), (1299, 1455291), (1667, 1134027), (2619, 721811), (3897, 485097), (5001, 378009), (11691, 161699), (15003, 126003), (42001, 45009)]