38745021

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 61129728

約数和(自身を除く): 22384707

約数列:

[1, 3, 7, 21, 43, 107, 129, 301, 321, 401, 749, 903, 1203, 2247, 2807, 4601, 8421, 13803, 17243, 32207, 42907, 51729, 96621, 120701, 128721, 300349, 362103, 901047, 1845001, 5535003, 12915007, 38745021]

約数ペア:

[(1, 38745021), (3, 12915007), (7, 5535003), (21, 1845001), (43, 901047), (107, 362103), (129, 300349), (301, 128721), (321, 120701), (401, 96621), (749, 51729), (903, 42907), (1203, 32207), (2247, 17243), (2807, 13803), (4601, 8421)]