405958671

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1543}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 647442432

約数和(自身を除く): 241483761

約数列:

[1, 3, 9, 23, 31, 41, 69, 93, 123, 207, 279, 369, 713, 943, 1271, 1543, 2139, 2829, 3813, 4629, 6417, 8487, 11439, 13887, 29233, 35489, 47833, 63263, 87699, 106467, 143499, 189789, 263097, 319401, 430497, 569367, 1100159, 1455049, 1961153, 3300477, 4365147, 5883459, 9901431, 13095441, 17650377, 45106519, 135319557, 405958671]

約数ペア:

[(1, 405958671), (3, 135319557), (9, 45106519), (23, 17650377), (31, 13095441), (41, 9901431), (69, 5883459), (93, 4365147), (123, 3300477), (207, 1961153), (279, 1455049), (369, 1100159), (713, 569367), (943, 430497), (1271, 319401), (1543, 263097), (2139, 189789), (2829, 143499), (3813, 106467), (4629, 87699), (6417, 63263), (8487, 47833), (11439, 35489), (13887, 29233)]