201641805

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21647}}^1$

素因数の和:21687

約数の個数: 40

約数和(自身を含む): 377194752

約数和(自身を除く): 175552947

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 21647, 64941, 108235, 194823, 324705, 497881, 584469, 974115, 1493643, 1753407, 2489405, 2922345, 4480929, 7468215, 8767035, 13442787, 22404645, 40328361, 67213935, 201641805]

約数ペア:

[(1, 201641805), (3, 67213935), (5, 40328361), (9, 22404645), (15, 13442787), (23, 8767035), (27, 7468215), (45, 4480929), (69, 2922345), (81, 2489405), (115, 1753407), (135, 1493643), (207, 974115), (345, 584469), (405, 497881), (621, 324705), (1035, 194823), (1863, 108235), (3105, 64941), (9315, 21647)]