217465989

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1097}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 347213952

約数和(自身を除く): 129747963

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 169, 221, 299, 391, 507, 663, 897, 1097, 1173, 2873, 3291, 3887, 5083, 8619, 11661, 14261, 15249, 18649, 25231, 42783, 55947, 66079, 75693, 185393, 198237, 242437, 328003, 428927, 556179, 727311, 984009, 1286781, 3151681, 4264039, 5576051, 9455043, 12792117, 16728153, 72488663, 217465989]

約数ペア:

[(1, 217465989), (3, 72488663), (13, 16728153), (17, 12792117), (23, 9455043), (39, 5576051), (51, 4264039), (69, 3151681), (169, 1286781), (221, 984009), (299, 727311), (391, 556179), (507, 428927), (663, 328003), (897, 242437), (1097, 198237), (1173, 185393), (2873, 75693), (3291, 66079), (3887, 55947), (5083, 42783), (8619, 25231), (11661, 18649), (14261, 15249)]