289571409

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{1439}}^1$

素因数の和:1734

約数の個数: 32

約数和(自身を含む): 445824000

約数和(自身を除く): 156252591

約数列:

[1, 3, 9, 27, 29, 87, 257, 261, 771, 783, 1439, 2313, 4317, 6939, 7453, 12951, 22359, 38853, 41731, 67077, 125193, 201231, 369823, 375579, 1109469, 1126737, 3328407, 9985221, 10724867, 32174601, 96523803, 289571409]

約数ペア:

[(1, 289571409), (3, 96523803), (9, 32174601), (27, 10724867), (29, 9985221), (87, 3328407), (257, 1126737), (261, 1109469), (771, 375579), (783, 369823), (1439, 201231), (2313, 125193), (4317, 67077), (6939, 41731), (7453, 38853), (12951, 22359)]