51121287

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3109}}^1$

素因数の和:3157

約数の個数: 40

約数和(自身を含む): 90314400

約数和(自身を除く): 39193113

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1827, 2349, 3109, 5481, 9327, 16443, 21763, 27981, 65289, 83943, 90161, 195867, 251829, 270483, 587601, 631127, 811449, 1762803, 1893381, 2434347, 5680143, 7303041, 17040429, 51121287]

約数ペア:

[(1, 51121287), (3, 17040429), (7, 7303041), (9, 5680143), (21, 2434347), (27, 1893381), (29, 1762803), (63, 811449), (81, 631127), (87, 587601), (189, 270483), (203, 251829), (261, 195867), (567, 90161), (609, 83943), (783, 65289), (1827, 27981), (2349, 21763), (3109, 16443), (5481, 9327)]