3954405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2897}}^1$

素因数の和:2925

約数の個数: 32

約数和(自身を含む): 7789824

約数和(自身を除く): 3835419

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 2897, 8691, 14485, 20279, 37661, 43455, 60837, 101395, 112983, 188305, 263627, 304185, 564915, 790881, 1318135, 3954405]

約数ペア:

[(1, 3954405), (3, 1318135), (5, 790881), (7, 564915), (13, 304185), (15, 263627), (21, 188305), (35, 112983), (39, 101395), (65, 60837), (91, 43455), (105, 37661), (195, 20279), (273, 14485), (455, 8691), (1365, 2897)]