18075351

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 28999168

約数和(自身を除く): 10923817

約数列:

[1, 3, 7, 21, 37, 43, 111, 129, 259, 301, 541, 777, 903, 1591, 1623, 3787, 4773, 11137, 11361, 20017, 23263, 33411, 60051, 69789, 140119, 162841, 420357, 488523, 860731, 2582193, 6025117, 18075351]

約数ペア:

[(1, 18075351), (3, 6025117), (7, 2582193), (21, 860731), (37, 488523), (43, 420357), (111, 162841), (129, 140119), (259, 69789), (301, 60051), (541, 33411), (777, 23263), (903, 20017), (1591, 11361), (1623, 11137), (3787, 4773)]