78128145

素因数分解:

$3^5\times 5^1\times {\mathrm{64303}}^1$

素因数の和:64323

約数の個数: 24

約数和(自身を含む): 140439936

約数和(自身を除く): 62311791

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 64303, 192909, 321515, 578727, 964545, 1736181, 2893635, 5208543, 8680905, 15625629, 26042715, 78128145]

約数ペア:

[(1, 78128145), (3, 26042715), (5, 15625629), (9, 8680905), (15, 5208543), (27, 2893635), (45, 1736181), (81, 964545), (135, 578727), (243, 321515), (405, 192909), (1215, 64303)]