208103679

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{55987}}^1$

素因数の和:56059

約数の個数: 24

約数和(自身を含む): 349365120

約数和(自身を除く): 141261441

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 55987, 167961, 391909, 503883, 1175727, 3303233, 3527181, 9909699, 23122631, 29729097, 69367893, 208103679]

約数ペア:

[(1, 208103679), (3, 69367893), (7, 29729097), (9, 23122631), (21, 9909699), (59, 3527181), (63, 3303233), (177, 1175727), (413, 503883), (531, 391909), (1239, 167961), (3717, 55987)]