13821315

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3671}}^1$

素因数の和:3930

約数の個数: 16

約数和(自身を含む): 22208256

約数和(自身を除く): 8386941

約数列:

[1, 3, 5, 15, 251, 753, 1255, 3671, 3765, 11013, 18355, 55065, 921421, 2764263, 4607105, 13821315]

約数ペア:

[(1, 13821315), (3, 4607105), (5, 2764263), (15, 921421), (251, 55065), (753, 18355), (1255, 11013), (3671, 3765)]