31884741

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4253}}^1$

素因数の和:4290

約数の個数: 36

約数和(自身を含む): 56739852

約数和(自身を除く): 24855111

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 4253, 7497, 12759, 29771, 38277, 72301, 89313, 208397, 216903, 267939, 506107, 625191, 650709, 1518321, 1875573, 3542749, 4554963, 10628247, 31884741]

約数ペア:

[(1, 31884741), (3, 10628247), (7, 4554963), (9, 3542749), (17, 1875573), (21, 1518321), (49, 650709), (51, 625191), (63, 506107), (119, 267939), (147, 216903), (153, 208397), (357, 89313), (441, 72301), (833, 38277), (1071, 29771), (2499, 12759), (4253, 7497)]