28949157

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:455

約数の個数: 40

約数和(自身を含む): 46347840

約数和(自身を除く): 17398683

約数列:

[1, 3, 9, 23, 27, 41, 69, 81, 123, 207, 369, 379, 621, 943, 1107, 1137, 1863, 2829, 3321, 3411, 8487, 8717, 10233, 15539, 25461, 26151, 30699, 46617, 76383, 78453, 139851, 235359, 357397, 419553, 706077, 1072191, 1258659, 3216573, 9649719, 28949157]

約数ペア:

[(1, 28949157), (3, 9649719), (9, 3216573), (23, 1258659), (27, 1072191), (41, 706077), (69, 419553), (81, 357397), (123, 235359), (207, 139851), (369, 78453), (379, 76383), (621, 46617), (943, 30699), (1107, 26151), (1137, 25461), (1863, 15539), (2829, 10233), (3321, 8717), (3411, 8487)]