12571749

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2049

約数の個数: 24

約数和(自身を含む): 19641440

約数和(自身を除く): 7069691

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 1987, 2109, 5961, 6327, 17883, 37753, 73519, 113259, 220557, 339777, 661671, 1396861, 4190583, 12571749]

約数ペア:

[(1, 12571749), (3, 4190583), (9, 1396861), (19, 661671), (37, 339777), (57, 220557), (111, 113259), (171, 73519), (333, 37753), (703, 17883), (1987, 6327), (2109, 5961)]