28877373

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 51442560

約数和(自身を除く): 22565187

約数列:

[1, 3, 7, 9, 17, 21, 51, 59, 63, 119, 153, 177, 357, 413, 457, 531, 1003, 1071, 1239, 1371, 3009, 3199, 3717, 4113, 7021, 7769, 9027, 9597, 21063, 23307, 26963, 28791, 54383, 63189, 69921, 80889, 163149, 188741, 242667, 458371, 489447, 566223, 1375113, 1698669, 3208597, 4125339, 9625791, 28877373]

約数ペア:

[(1, 28877373), (3, 9625791), (7, 4125339), (9, 3208597), (17, 1698669), (21, 1375113), (51, 566223), (59, 489447), (63, 458371), (119, 242667), (153, 188741), (177, 163149), (357, 80889), (413, 69921), (457, 63189), (531, 54383), (1003, 28791), (1071, 26963), (1239, 23307), (1371, 21063), (3009, 9597), (3199, 9027), (3717, 7769), (4113, 7021)]