2903715

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 5232960

約数和(自身を除く): 2329245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 157, 411, 471, 685, 785, 1233, 1413, 2055, 2355, 3699, 4239, 6165, 7065, 18495, 21195, 21509, 64527, 107545, 193581, 322635, 580743, 967905, 2903715]

約数ペア:

[(1, 2903715), (3, 967905), (5, 580743), (9, 322635), (15, 193581), (27, 107545), (45, 64527), (135, 21509), (137, 21195), (157, 18495), (411, 7065), (471, 6165), (685, 4239), (785, 3699), (1233, 2355), (1413, 2055)]