138973821

素因数分解:

$3^1\times 7^1\times {\mathrm{1847}}^1\times {\mathrm{3583}}^1$

素因数の和:5440

約数の個数: 16

約数和(自身を含む): 211943424

約数和(自身を除く): 72969603

約数列:

[1, 3, 7, 21, 1847, 3583, 5541, 10749, 12929, 25081, 38787, 75243, 6617801, 19853403, 46324607, 138973821]

約数ペア:

[(1, 138973821), (3, 46324607), (7, 19853403), (21, 6617801), (1847, 75243), (3583, 38787), (5541, 25081), (10749, 12929)]