221709438

素因数分解:

$2^1\times 3^2\times {\mathrm{2963}}^1\times {\mathrm{4157}}^1$

素因数の和:7128

約数の個数: 24

約数和(自身を含む): 480648168

約数和(自身を除く): 258938730

約数列:

[1, 2, 3, 6, 9, 18, 2963, 4157, 5926, 8314, 8889, 12471, 17778, 24942, 26667, 37413, 53334, 74826, 12317191, 24634382, 36951573, 73903146, 110854719, 221709438]

約数ペア:

[(1, 221709438), (2, 110854719), (3, 73903146), (6, 36951573), (9, 24634382), (18, 12317191), (2963, 74826), (4157, 53334), (5926, 37413), (8314, 26667), (8889, 24942), (12471, 17778)]