289377963

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{148171}}^1$

素因数の和:148215

約数の個数: 24

約数和(自身を含む): 493116416

約数和(自身を除く): 203738453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 148171, 444513, 1037197, 1333539, 3111591, 4593301, 9334773, 13779903, 32153107, 41339709, 96459321, 289377963]

約数ペア:

[(1, 289377963), (3, 96459321), (7, 41339709), (9, 32153107), (21, 13779903), (31, 9334773), (63, 4593301), (93, 3111591), (217, 1333539), (279, 1037197), (651, 444513), (1953, 148171)]