219903987

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{63907}}^1$

素因数の和:63978

約数の個数: 16

約数和(自身を含む): 310848512

約数和(自身を除く): 90944525

約数列:

[1, 3, 31, 37, 93, 111, 1147, 3441, 63907, 191721, 1981117, 2364559, 5943351, 7093677, 73301329, 219903987]

約数ペア:

[(1, 219903987), (3, 73301329), (31, 7093677), (37, 5943351), (93, 2364559), (111, 1981117), (1147, 191721), (3441, 63907)]