210143889

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:831

約数の個数: 40

約数和(自身を含む): 327614760

約数和(自身を除く): 117470871

約数列:

[1, 3, 9, 27, 29, 81, 87, 137, 261, 411, 653, 783, 1233, 1959, 2349, 3699, 3973, 5877, 11097, 11919, 17631, 18937, 35757, 52893, 56811, 89461, 107271, 170433, 268383, 321813, 511299, 805149, 1533897, 2415447, 2594369, 7246341, 7783107, 23349321, 70047963, 210143889]

約数ペア:

[(1, 210143889), (3, 70047963), (9, 23349321), (27, 7783107), (29, 7246341), (81, 2594369), (87, 2415447), (137, 1533897), (261, 805149), (411, 511299), (653, 321813), (783, 268383), (1233, 170433), (1959, 107271), (2349, 89461), (3699, 56811), (3973, 52893), (5877, 35757), (11097, 18937), (11919, 17631)]