1972503477

素因数分解:

$3^2\times 7^3\times {\mathrm{638971}}^1$

素因数の和:638998

約数の個数: 24

約数和(自身を含む): 3322654400

約数和(自身を除く): 1350150923

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 638971, 1916913, 4472797, 5750739, 13418391, 31309579, 40255173, 93928737, 219167053, 281786211, 657501159, 1972503477]

約数ペア:

[(1, 1972503477), (3, 657501159), (7, 281786211), (9, 219167053), (21, 93928737), (49, 40255173), (63, 31309579), (147, 13418391), (343, 5750739), (441, 4472797), (1029, 1916913), (3087, 638971)]