208036479

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^2\times {\mathrm{331}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 319814272

約数和(自身を除く): 111777793

約数列:

[1, 3, 7, 21, 173, 331, 519, 993, 1211, 2317, 3633, 6951, 29929, 57263, 89787, 171789, 209503, 400841, 628509, 1202523, 9906499, 29719497, 69345493, 208036479]

約数ペア:

[(1, 208036479), (3, 69345493), (7, 29719497), (21, 9906499), (173, 1202523), (331, 628509), (519, 400841), (993, 209503), (1211, 171789), (2317, 89787), (3633, 57263), (6951, 29929)]