405303951

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2447}}^1$

素因数の和:2631

約数の個数: 32

約数和(自身を含む): 605380608

約数和(自身を除く): 200076657

約数列:

[1, 3, 13, 31, 39, 93, 137, 403, 411, 1209, 1781, 2447, 4247, 5343, 7341, 12741, 31811, 55211, 75857, 95433, 165633, 227571, 335239, 986141, 1005717, 2958423, 4358107, 10392409, 13074321, 31177227, 135101317, 405303951]

約数ペア:

[(1, 405303951), (3, 135101317), (13, 31177227), (31, 13074321), (39, 10392409), (93, 4358107), (137, 2958423), (403, 1005717), (411, 986141), (1209, 335239), (1781, 227571), (2447, 165633), (4247, 95433), (5343, 75857), (7341, 55211), (12741, 31811)]