201501621

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 304646400

約数和(自身を除く): 103144779

約数列:

[1, 3, 9, 27, 71, 213, 257, 409, 639, 771, 1227, 1917, 2313, 3681, 6939, 11043, 18247, 29039, 54741, 87117, 105113, 164223, 261351, 315339, 492669, 784053, 946017, 2838051, 7463023, 22389069, 67167207, 201501621]

約数ペア:

[(1, 201501621), (3, 67167207), (9, 22389069), (27, 7463023), (71, 2838051), (213, 946017), (257, 784053), (409, 492669), (639, 315339), (771, 261351), (1227, 164223), (1917, 105113), (2313, 87117), (3681, 54741), (6939, 29039), (11043, 18247)]