51720465

素因数分解:

$3^1\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{2801}}^1$

素因数の和:4040

約数の個数: 16

約数和(自身を含む): 82849536

約数和(自身を除く): 31129071

約数列:

[1, 3, 5, 15, 1231, 2801, 3693, 6155, 8403, 14005, 18465, 42015, 3448031, 10344093, 17240155, 51720465]

約数ペア:

[(1, 51720465), (3, 17240155), (5, 10344093), (15, 3448031), (1231, 42015), (2801, 18465), (3693, 14005), (6155, 8403)]