40691889

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1669}}^1$

素因数の和:1731

約数の個数: 40

約数和(自身を含む): 71128640

約数和(自身を除く): 30436751

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 903, 1161, 1669, 2709, 3483, 5007, 8127, 11683, 15021, 24381, 35049, 45063, 71767, 105147, 135189, 215301, 315441, 502369, 645903, 946323, 1507107, 1937709, 4521321, 5813127, 13563963, 40691889]

約数ペア:

[(1, 40691889), (3, 13563963), (7, 5813127), (9, 4521321), (21, 1937709), (27, 1507107), (43, 946323), (63, 645903), (81, 502369), (129, 315441), (189, 215301), (301, 135189), (387, 105147), (567, 71767), (903, 45063), (1161, 35049), (1669, 24381), (2709, 15021), (3483, 11683), (5007, 8127)]