405212031

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{5939}}^1$

素因数の和:5993

約数の個数: 48

約数和(自身を含む): 724204800

約数和(自身を除く): 318992769

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 361, 399, 513, 1083, 1197, 2527, 3249, 3591, 5939, 7581, 9747, 17817, 22743, 41573, 53451, 68229, 112841, 124719, 160353, 338523, 374157, 789887, 1015569, 1122471, 2143979, 2369661, 3046707, 6431937, 7108983, 15007853, 19295811, 21326949, 45023559, 57887433, 135070677, 405212031]

約数ペア:

[(1, 405212031), (3, 135070677), (7, 57887433), (9, 45023559), (19, 21326949), (21, 19295811), (27, 15007853), (57, 7108983), (63, 6431937), (133, 3046707), (171, 2369661), (189, 2143979), (361, 1122471), (399, 1015569), (513, 789887), (1083, 374157), (1197, 338523), (2527, 160353), (3249, 124719), (3591, 112841), (5939, 68229), (7581, 53451), (9747, 41573), (17817, 22743)]