2189313

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 3993600

約数和(自身を除く): 1804287

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 59, 63, 93, 133, 171, 177, 217, 279, 399, 413, 531, 589, 651, 1121, 1197, 1239, 1767, 1829, 1953, 3363, 3717, 4123, 5301, 5487, 7847, 10089, 12369, 12803, 16461, 23541, 34751, 37107, 38409, 70623, 104253, 115227, 243257, 312759, 729771, 2189313]

約数ペア:

[(1, 2189313), (3, 729771), (7, 312759), (9, 243257), (19, 115227), (21, 104253), (31, 70623), (57, 38409), (59, 37107), (63, 34751), (93, 23541), (133, 16461), (171, 12803), (177, 12369), (217, 10089), (279, 7847), (399, 5487), (413, 5301), (531, 4123), (589, 3717), (651, 3363), (1121, 1953), (1197, 1829), (1239, 1767)]