40491297

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 78747552

約数和(自身を除く): 38256255

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 49, 51, 63, 77, 99, 119, 147, 153, 187, 231, 357, 441, 491, 539, 561, 693, 833, 1071, 1309, 1473, 1617, 1683, 2499, 3437, 3927, 4419, 4851, 5401, 7497, 8347, 9163, 10311, 11781, 16203, 24059, 25041, 27489, 30933, 37807, 48609, 58429, 72177, 75123, 82467, 91817, 113421, 175287, 216531, 264649, 275451, 340263, 409003, 525861, 642719, 793947, 826353, 1227009, 1928157, 2381841, 3681027, 4499033, 5784471, 13497099, 40491297]

約数ペア:

[(1, 40491297), (3, 13497099), (7, 5784471), (9, 4499033), (11, 3681027), (17, 2381841), (21, 1928157), (33, 1227009), (49, 826353), (51, 793947), (63, 642719), (77, 525861), (99, 409003), (119, 340263), (147, 275451), (153, 264649), (187, 216531), (231, 175287), (357, 113421), (441, 91817), (491, 82467), (539, 75123), (561, 72177), (693, 58429), (833, 48609), (1071, 37807), (1309, 30933), (1473, 27489), (1617, 25041), (1683, 24059), (2499, 16203), (3437, 11781), (3927, 10311), (4419, 9163), (4851, 8347), (5401, 7497)]