40751487

素因数分解:

$3^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 70470400

約数和(自身を除く): 29718913

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 307, 343, 387, 441, 903, 921, 1029, 2107, 2149, 2709, 2763, 3087, 6321, 6447, 13201, 14749, 15043, 18963, 19341, 39603, 44247, 45129, 92407, 105301, 118809, 132741, 135387, 277221, 315903, 646849, 831663, 947709, 1940547, 4527943, 5821641, 13583829, 40751487]

約数ペア:

[(1, 40751487), (3, 13583829), (7, 5821641), (9, 4527943), (21, 1940547), (43, 947709), (49, 831663), (63, 646849), (129, 315903), (147, 277221), (301, 135387), (307, 132741), (343, 118809), (387, 105301), (441, 92407), (903, 45129), (921, 44247), (1029, 39603), (2107, 19341), (2149, 18963), (2709, 15043), (2763, 14749), (3087, 13201), (6321, 6447)]